Effortless One-Pot Instant Pot Spaghetti with Rich Meat Sauce: Your New Weeknight Favorite

Spaghetti is a quintessential comfort food, a go-to meal that graces tables around the world. It’s comforting, satisfying, and usually features ingredients you already have on hand. Yet, this beloved dish often comes with a hidden drawback: the mountain of dirty dishes. The traditional method typically involves one pot for boiling pasta, another for simmering sauce, and a colander for draining—turning a simple meal into a substantial cleanup effort. This “catch-22” can sometimes deter even the most enthusiastic home cooks from preparing spaghetti as often as they might like.

Enter the Instant Pot, a revolutionary kitchen appliance that elegantly solves this problem. This Instant Pot Spaghetti recipe is truly a revelation! Imagine preparing a complete spaghetti and meat sauce dinner using just one single pot—the inner insert of your Instant Pot. There’s absolutely no need for a separate pot to boil the pasta, no messy straining required, and certainly no piling up of three or more dishes for just one recipe. This one-pot method fundamentally transforms the cooking experience, making it far more enjoyable and incredibly efficient. Once you’ve tried spaghetti prepared this way, you might find yourself saying farewell to the traditional stovetop method forever, just as many have for other convenient Instant Pot pasta dishes like Instant Pot Spaghetti and Meatballs.

If you haven’t yet fully embraced the convenience and versatility of the Instant Pot, now is undoubtedly the perfect moment to discover its magic. This multi-functional pressure cooker has rapidly become a kitchen essential for countless home chefs, including myself, who rely on it at least once a week for a wide array of meals. The demand for simple, delicious, and time-saving Instant Pot recipes continues to grow exponentially, and for excellent reasons! My highly popular recipe for Instant Pot Pasta with Italian Sausage and Spinach has already demonstrated the incredible potential of cooking pasta directly in your pressure cooker. Inspired by its widespread success, I am delighted to share even more easy and satisfying pasta recipes tailored specifically for your Instant Pot, with this fantastic one-pot spaghetti recipe leading the way.

About This Easy Instant Pot Spaghetti & Meat Sauce Recipe

This Instant Pot Spaghetti recipe has been meticulously crafted to offer a classic, widely appealing version of spaghetti and meat sauce, yet it remains wonderfully adaptable to your personal taste. I’ve conducted several tests and tried various methods to bring you the most straightforward and delectable approach, ensuring that you can effortlessly customize it to suit your family’s preferences. One of the most appealing aspects of this recipe is its inherent flexibility – whether you want to incorporate more vegetables, switch up your protein, or tweak the seasonings, this recipe provides an excellent foundation for personalization.

I personally find great joy in adding a generous amount of fresh vegetables to my spaghetti sauce, and this Instant Pot method makes that goal exceptionally easy to achieve. Typically, I opt for lean ground turkey for a lighter, healthier meal. However, you have the freedom to substitute it with ground beef for a richer, more robust flavor, or even ground Italian sausage to introduce a delightful hint of spice. All three protein options integrate beautifully with the savory tomato-based spaghetti sauce, each offering a distinct yet equally delicious outcome. Throughout this article, we’ll explore even more creative ways you can personalize this recipe, from incorporating additional vegetable varieties to adapting it for vegetarian or gluten-free diets. Get ready to make this Instant Pot Spaghetti truly your own!

Are you eager to transform your weeknight spaghetti routine into something remarkably simple and delicious? Get ready to create a flavorful, hearty, and satisfying meal, all cooked in just one pot, including the pasta itself! I’ll guide you through each step of the recipe in comprehensive detail, providing a wealth of helpful tips and essential tricks to ensure your Instant Pot Spaghetti turns out perfectly every single time. Prepare to be genuinely amazed by how easy and incredibly satisfying dinner can be with your pressure cooker.

Essential Ingredients for Your One-Pot Instant Pot Spaghetti

Preparing this incredibly convenient Instant Pot Spaghetti recipe begins with gathering a few simple, wholesome ingredients. You’ll likely find most of these staples already in your pantry or easily available at your local grocery store. The beauty of this recipe lies in its ability to combine these accessible components into a robust and satisfying meal with minimal effort.

• Lean Ground Meat (Turkey, Beef, or Italian Sausage): You will need one pound of ground meat. Lean ground turkey is an excellent choice for a lighter, healthier option. For a more classic and robust flavor, ground beef works wonderfully. If you prefer a bit of a kick and aromatic depth, ground Italian sausage (mild or spicy) is a fantastic substitute.
• Olive Oil: Just a single teaspoon of olive oil is sufficient. It’s used to sauté the ground meat and onions, preventing them from sticking to the bottom of the Instant Pot and initiating the development of rich flavors.
• Onion: A small yellow cooking onion, finely diced, forms the aromatic base of your sauce. Yellow onions are consistently economical, store well, and provide a subtle sweetness and depth when sautéed.
• Whole Wheat Spaghetti: This recipe is designed for a 16-ounce box (approximately 1 pound) of whole wheat spaghetti. It’s important to double-check the label, as some brands of whole wheat pasta are sold in smaller packages. While whole wheat offers added fiber and a slightly nutty flavor, regular spaghetti can be used interchangeably with similar results.
• Your Favorite Spaghetti Sauce: One 24-ounce jar of your preferred pasta sauce is all you need. This allows for immense flexibility in flavor profile – choose a classic marinara, a roasted garlic blend, or a spicy arrabbiata to truly make this dish your own.
• Water: The pasta will absorb a substantial amount of liquid during pressure cooking, which is crucial for achieving the perfect texture and infusing it with flavor. You’ll need 36 ounces of water. A clever trick for measuring is to simply fill your empty spaghetti sauce jar 1 ½ times – it’s convenient and helps rinse out any lingering sauce!
• Diced Tomatoes: One 14.5-ounce can of diced tomatoes, undrained, adds a bright, tangy counterpoint to the rich sauce and provides additional essential liquid for the pasta. Opt for low-sodium diced tomatoes to manage the overall salt content, as many jarred sauces already contain a good amount.
• Fresh Spinach (Optional): For a boost of vibrant color and added nutrients, a few handfuls of fresh baby spinach leaves can be stirred into the hot spaghetti at the very end. Baby spinach is preferred for its tender texture and quick wilting. If using larger leaves, a quick chop will help them incorporate more easily.

Step-by-Step Guide: Crafting Your Perfect Instant Pot Spaghetti

Creating this delicious one-pot Instant Pot Spaghetti is incredibly straightforward, designed to deliver a wholesome and flavorful meal to your table with minimal effort and cleanup. Follow these simple steps for a truly satisfying dinner experience:

1. Prepare Your Ingredients: Begin by taking a few moments to perform your “mise en place.” This means ensuring all your ingredients are prepped and ready before you start cooking. Dice your onion (and any other vegetables you plan to include), measure your liquids, and have your ground meat and spaghetti close at hand. This simple organizational step makes the cooking process much smoother and more enjoyable.

2. Sauté the Meat and Vegetables: Set your Instant Pot to the “Sauté” mode. Once the inner pot indicates it’s hot, add a teaspoon of olive oil. Allow the oil to shimmer for a moment, then add your chosen ground meat (turkey, beef, or Italian sausage) along with the diced onions. Using a sturdy spatula, break up the meat as it browns. This is also the ideal time to add other heartier vegetables such as finely diced bell peppers, shredded carrots, or sliced mushrooms. Continue to sauté until the meat is fully browned and the added vegetables have softened, typically taking about 5-7 minutes. If you’re using ground beef or Italian sausage, you may wish to carefully drain any excess fat after browning to prevent the sauce from becoming too greasy.

3. Add Uncooked Pasta: After the meat is browned and any added vegetables are tender, it’s time to incorporate the pasta. Break your dry spaghetti noodles in half. This is a crucial step to ensure they fit comfortably within the Instant Pot’s inner insert and can be fully submerged in the cooking liquid, which is essential for even cooking. Lay the broken spaghetti evenly on top of the cooked meat and vegetable mixture, striving to create a single layer as much as possible to prevent the noodles from clumping together during the cooking process.

4. Introduce the Liquids: Carefully pour the entire jar of your chosen spaghetti sauce, the precisely measured water, and the undrained can of diced tomatoes directly over the layered pasta and meat. Use a spoon or spatula to gently agitate the pasta, ensuring that the noodles are not clumped and that every piece is completely submerged beneath the liquid. It might appear that there is a generous amount of liquid at this stage, but rest assured, this is intentional! The pasta will cook directly in this flavorful sauce, absorbing all the liquid and transforming into a perfectly tender consistency with a rich, well-integrated sauce. It truly is a remarkable culinary transformation! If you’re incorporating heartier vegetables that cook quickly, such as broccoli florets (as opposed to spinach at the very end), add them now, placing them on top of the liquid layer. This allows them to steam perfectly while the pasta cooks, without getting overly mushy. (Confession: I’m always looking for ways to sneak extra vegetables into my spaghetti!)

5. Pressure Cook to Perfection: Secure the lid onto your Instant Pot, ensuring it is properly locked and sealed. Turn the steam release valve to the “Sealing” position. Select “Pressure Cook” or “Manual – High” mode, depending on your specific Instant Pot model, and set the cooking time for 8 minutes. It’s important to remember that the Instant Pot will require approximately 15-20 minutes to build up to full pressure before the 8-minute countdown officially begins. Once the cooking cycle is complete and the timer beeps, perform a quick release of the pressure by carefully turning the steam release valve to the “Venting” position. Always use a kitchen towel or an oven mitt to protect your hand from the escaping steam.

6. Incorporate Fresh Spinach (Optional): Once the pressure has been fully released and the float valve has dropped, indicating it’s safe to open, carefully remove the lid. If you are adding fresh spinach, this is the ideal moment to do so. Pile a few generous handfuls of baby spinach on top of the hot spaghetti. You can then replace the lid (there’s no need to lock or seal it again) and allow the residual heat from the pasta and sauce to wilt the spinach for 2-3 minutes. Alternatively, simply stir the spinach directly into the hot spaghetti until it has fully wilted. I personally prefer adding it at this stage to preserve the spinach’s vibrant green color and prevent it from overcooking, but if you’re in a significant rush, it will also work to add it along with the sauce and pasta before pressure cooking; it will just result in a softer, darker green spinach.

7. Allow to Thicken Briefly: Upon removing the lid, you might notice that the sauce appears a little thinner or “juicier” than expected. This is perfectly normal and part of the magic! Simply give the spaghetti a good, thorough stir and allow it to rest in the hot Instant Pot for an additional five to ten minutes. During this brief resting period, the pasta will continue to absorb the remaining liquid, and the sauce will naturally thicken up to a rich, perfect consistency. Once it reaches your desired thickness, it’s ready to be served and enjoyed!

That’s truly all there is to it! This method is an absolute game-changer for busy evenings, providing a full-flavored, satisfying, and wholesome meal with minimal fuss and an incredibly easy cleanup. I genuinely can’t wait for you and your family to discover the unparalleled convenience and deliciousness of this Instant Pot Spaghetti recipe. Get ready for a new favorite!

Elevate Your Instant Pot Spaghetti: Perfect Serving Suggestions

Once your Instant Pot Spaghetti is perfectly cooked and ready, a few thoughtful additions can elevate your dining experience from a simple weeknight meal to a truly memorable feast. While delicious on its own, pairing it with complementary sides and garnishes can create a complete and restaurant-quality presentation. Here are some of my favorite ways to serve this hearty dish:

• Classic Garnish Perfection: Always complete your spaghetti with a generous sprinkle of freshly grated Parmesan cheese. Its salty, nutty profile perfectly complements the rich tomato and meat sauce. For an extra touch of freshness and vibrant aroma, tear a few fresh basil leaves over the top just before serving. If you appreciate a subtle warmth, a dash of red pepper flakes can add a delightful kick without overpowering the flavors.
• Crisp Green Salad Counterpoint: Balance the richness of the pasta with a light, crisp green salad. A simple mixed greens salad dressed with a bright vinaigrette, or a classic Caesar salad, provides a refreshing contrast in texture and flavor. My recipe for homemade Italian dressing would be an exquisite choice, instantly transporting you to an authentic Italian trattoria right in your own home. You’ll achieve that coveted “Olive Garden bliss” with minimal effort!
• Essential Bread: No spaghetti dinner is truly complete without something delicious to soak up every last drop of that savory sauce! Warm, crusty garlic bread, or soft, buttery breadsticks are absolute must-haves. For a delightful and fun treat, these copycat Pizza Hut breadsticks are surprisingly easy to recreate and often taste even better than the originals. Another elegant option is to serve fresh artisan bread alongside a flavorful olive oil dipping sauce, perhaps infused with minced garlic and a blend of Italian herbs.
• Thoughtful Wine Pairing: For adult diners, a medium-bodied red wine beautifully complements the robust flavors of tomato and meat in the spaghetti. Consider a classic Chianti, a versatile Merlot, or a Sangiovese to enhance your meal.

P.S. Have you, like me, become utterly captivated by the incredible efficiency and consistently delicious results that pressure cooking offers? The Instant Pot truly is a culinary game-changer! If you’re on the hunt for even more quick and easy dinner inspiration that leverages this amazing appliance, be sure to explore some of our other cherished Instant Pot recipes. Discover Instant Pot Chicken Piccata, Instant Pot Chicken Marsala, our hearty Instant Pot Chili, and the flavorful southwestern Instant Pot Chicken and Quinoa. These recipes perfectly showcase the remarkable versatility of your pressure cooker for crafting diverse, delicious, and convenient meals that fit into any busy schedule.

The Magic and Method of Cooking Pasta Directly in the Instant Pot

The concept of cooking pasta directly within your Instant Pot, eliminating the need to boil a separate pot of water or deal with a cumbersome colander, might initially seem a bit unconventional. However, it is genuinely astounding how perfectly the pasta turns out every single time! This innovative method yields tender, perfectly cooked noodles that have fully absorbed all the rich, savory goodness of the sauce, rather than having their flavor diluted by plain water. It’s a complete paradigm shift for pasta lovers, promising a more flavorful and much less messy culinary experience.

We’ve successfully experimented with a wide array of pasta shapes and recipes using the Instant Pot, consistently achieving excellent results. From delicate shrimp scampi featuring thin angel hair pasta to incredibly creamy and satisfying mac and cheese, the Instant Pot handles it all with ease. The primary secret to consistently achieving perfectly cooked pasta in your pressure cooker lies in ensuring there’s an ample amount of liquid. The pasta readily absorbs a significant volume of the cooking liquid during the pressure cooking process. Therefore, it is absolutely essential that all the pasta noodles are completely submerged in the sauce and water mixture. This critical step guarantees even cooking and prevents any dry, uncooked spots or clumping. By following this simple yet crucial trick, you’ll consistently enjoy delicious, fuss-free, and perfectly textured pasta dishes straight from your Instant Pot.

Customizing Your Instant Pot Spaghetti: Make It Vegetarian & Flavorful

Adapting this Instant Pot Spaghetti recipe to be wonderfully vegetarian-friendly is incredibly simple and yields a dish that is just as hearty, flavorful, and satisfying as its meat-based counterpart. The key is to simply omit the ground meat and instead, focus on significantly boosting the vegetable content and exploring delicious plant-based protein alternatives. Here’s a detailed guide on how to create a fantastic vegetarian version:

• Amplify the Veggies: Embrace a vibrant medley of vegetables! When you initially sauté, add a generous amount of finely chopped mushrooms (which can effectively provide a “meaty” texture and rich umami flavor), colorful diced bell peppers (red, yellow, or green for visual appeal and sweetness), finely shredded carrots (for a touch of natural sweetness and added depth), and perhaps some thinly sliced zucchini or chopped olives. Sautéing these until they are tender and slightly caramelized will build a truly rich and complex flavor base for your meatless sauce.
• Incorporate Plant-Based Protein: For a satisfying and nutritious protein boost, consider integrating legumes. Cooked lentils (brown or green lentils work best) or even quinoa can be added along with the spaghetti sauce and diced tomatoes to provide a similar hearty texture and valuable nutritional content to ground meat. You could even draw creative inspiration from my highly acclaimed vegan bolognese recipe, which ingeniously combines lentils and quinoa to create a robust, flavorful, and remarkably meat-like alternative that pairs absolutely perfectly with spaghetti.
• Enhance the Sauce Naturally: With the absence of meat, you might wish to further enhance the richness and depth of flavor in your sauce. Consider adding a splash of dry red wine during the sautéing stage (allowing it to cook off and deglaze the pot, contributing layers of flavor) or a teaspoon of smoked paprika for a deeper, more savory, and subtly smoky flavor profile. A tablespoon of nutritional yeast can also be stirred in to impart a wonderfully cheesy, umami depth without any dairy.

This delightful vegetarian adaptation of Instant Pot Spaghetti unequivocally demonstrates that the Instant Pot is not exclusively for meat dishes. It is, in fact, an outstanding and versatile tool for effortlessly crafting delicious, wholesome, and plant-forward meals with impressive speed, convenience, and a remarkable depth of flavor.

Customizing Your Instant Pot Spaghetti: Make It Gluten-Free

For those adhering to a gluten-free diet, enjoying a classic, comforting bowl of spaghetti doesn’t have to be a culinary challenge, especially when utilizing the efficiency of the Instant Pot method. While I haven’t personally tested this exact recipe with every variety of gluten-free pasta available, the general principles of pressure cooking pasta remain consistent and highly effective. I am particularly enthusiastic about chickpea pasta and lentil pasta options, which not only serve as excellent gluten-free alternatives but also contribute a significant boost of plant-based protein, enhancing the nutritional value of your meal. Here are some essential considerations and tips for successfully transforming this recipe into a delicious gluten-free version:

• Selecting Your Gluten-Free Pasta: When choosing gluten-free spaghetti, it’s crucial to be aware that cooking times can vary considerably among different brands and types of pasta (e.g., those made from rice, corn, chickpeas, or lentils). While the 8-minute pressure cooking time works beautifully for traditional whole wheat pasta, you will most likely need to adjust this duration based on the specific cooking instructions provided on your chosen gluten-free pasta package. A widely accepted rule of thumb for converting stovetop pasta cooking times to pressure cooker times is often to take half of the lowest stovetop cooking time listed on the package, and then add one additional minute. This generally provides a good starting point for experimentation.
• Monitoring Liquid Absorption: Gluten-free pastas can sometimes exhibit different liquid absorption rates compared to their traditional wheat counterparts. After the quick release of pressure, carefully assess the consistency of your sauce. If it appears too thick, a small splash of hot water or vegetable broth can help loosen it to your desired consistency. Conversely, if the sauce seems a bit too watery, allow the spaghetti to rest for a few extra minutes in the hot pot, or even engage the “Sauté” function on low for a short period, stirring gently, to help it thicken further.
• Spaghetti Squash as a Natural Alternative: If you are seeking a naturally gluten-free and highly nutritious vegetable-rich alternative to traditional pasta, spaghetti squash is an exceptional choice. The wonderful news is that you can also prepare spaghetti squash in your pressure cooker with remarkable ease and efficiency! This method is just one of five convenient ways to cook this incredibly versatile vegetable. For a comprehensive guide that includes the Instant Pot method and other techniques, be sure to read my detailed article on how to cook spaghetti squash. This allows you to perfectly pair its delicate, pasta-like strands with your delicious meat (or meatless) sauce.

With these tailored tips and considerations, you can confidently create a fantastic and flavorful gluten-free Instant Pot Spaghetti that everyone at your table, regardless of dietary preferences, can thoroughly enjoy. It truly showcases the adaptability of this one-pot wonder!

Exploring Classic & Traditional Spaghetti Sauce Varieties

While this Instant Pot spaghetti recipe offers unparalleled speed, convenience, and a delightful flavor profile for busy weeknights, there will always be a special and cherished place in our hearts for classic, slow-simmered spaghetti sauces. These traditional sauces, which lovingly develop deep, complex flavors over extended cooking times, offer a rich, nuanced experience that many find deeply comforting. If you’re in the mood for a more traditional culinary approach, or simply wish to explore a variety of different sauce profiles, here are some of our most beloved and time-honored recipes:

• The Quintessential Stovetop Spaghetti Sauce: For an authentic and deeply satisfying taste of Italy, my classic stove-simmered homemade spaghetti sauce is an absolute must-try. It is generously packed with ripe, juicy tomatoes, aromatic fresh basil, and a perfectly balanced blend of traditional Italian seasonings. This versatile sauce is truly fantastic served simply as is over your favorite pasta for a light yet flavorful meal, or you can elevate it further by adding your preferred meat.
• Irresistible Homemade Meatballs: No truly traditional spaghetti experience is considered complete without the addition of tender, juicy, and incredibly flavorful meatballs. Pair your slow-simmered classic sauce with my exceptional recipe for homemade meatballs. For a slightly lighter but equally delicious option, try these fantastic baked turkey meatballs. Both varieties simmer beautifully within the rich tomato sauce, infusing every bite of your meal with savory, comforting goodness.
• Rich & Hearty Bolognese Sauce: For a truly decadent, satisfying, and deeply flavorful meat sauce, consider preparing a classic Bolognese. My highly rated Instant Pot bolognese sauce offers a remarkably quick yet deeply flavored rendition of this iconic Italian staple, skillfully leveraging the pressure cooker’s efficiency to achieve complex flavors in a fraction of the time. Alternatively, if you prefer the comforting ritual of stovetop cooking, this quick and easy turkey bolognese recipe delivers wonderfully fantastic results without requiring hours of slow simmering.

Whether you opt for the rapid convenience of the Instant Pot for a quick weeknight solution or embrace the comforting, time-honored ritual of a slow simmer for a leisurely weekend meal, a truly delicious and satisfying spaghetti dinner is always effortlessly within your reach!

Storage & Reheating Tips for Your Instant Pot Spaghetti

One of the most appealing advantages of preparing a generous batch of Instant Pot Spaghetti is the abundance of delicious and convenient leftovers! This dish is exceptionally well-suited for both refrigeration and freezing, making it an outstanding candidate for meal prepping. It ensures you have a quick, easy, and satisfying meal readily available for another day, saving you precious time and effort.

• Refrigerate Leftovers: Any leftover spaghetti with its savory meat sauce can be efficiently stored in an airtight container in the refrigerator for a period of up to three days. For optimal freshness and safety, always ensure that the spaghetti cools completely before you seal and store it.
• Freeze for Longer Storage: For extended preservation, Instant Pot spaghetti freezes remarkably well, maintaining its quality and flavor beautifully. I highly recommend portioning and freezing individual-sized containers or freezer-safe bags. This method creates incredibly convenient grab-and-go lunches or single-serving dinners that can often be reheated directly from frozen, proving to be a true lifesaver during hectic schedules. Properly frozen spaghetti will maintain its peak quality for up to three months.
• Thawing (for Larger Portions): If you have opted to freeze a larger batch of spaghetti, it is generally best practice to thaw it slowly overnight in the refrigerator. This gradual thawing process ensures more even heating and helps to preserve the texture of both the pasta and the sauce during reheating. Smaller, individual portions can typically be reheated directly from their frozen state.
• Reheat with Care: To reheat individual portions, simply warm them gently in the microwave on a medium power setting, stirring occasionally, until the spaghetti is heated through evenly. For larger quantities, or if you prefer a stovetop method, gently warm the spaghetti in a large skillet over medium-low heat. If the sauce appears too thick or dry, add a splash of water or broth to restore its ideal consistency. It’s crucial to avoid high heat during reheating, as this can dry out the pasta or cause the sauce to stick and scorch at the bottom of the pan.

Interested in a complimentary weekly meal plan that thoughtfully incorporates this easy Instant Pot Spaghetti recipe? Be sure to explore my Meal Plan #44 (Quick & Easy). Within this plan, you’ll discover a wholesome and delicious recipe for each weekday, complete with a categorized grocery list, effectively taking all the guesswork and stress out of your weekly meal preparation. Allow me to handle the planning for you this week!

We are consistently adding new meal plans on a weekly basis. If you’re keen on more organized and stress-free cooking, I encourage you to browse all of our comprehensive meal plans for abundant inspiration and unmatched convenience.

Creative Leftover Love: Transforming Instant Pot Spaghetti

Never let any of your delicious Instant Pot Spaghetti go to waste! Leftovers can be just as exciting and satisfying as the original meal with a little culinary creativity. If you find yourself with a substantial amount of leftover spaghetti, consider giving it a delightful second life in the form of a comforting baked casserole. This is an excellent, fuss-free way to reinvent your meal, minimize food waste, and ensure every last bit is thoroughly enjoyed by your family.

Transforming into a Baked Spaghetti Casserole: This is a fantastic and versatile option, perfect for a cozy family meal or when you desire to transform leftovers into an entirely new and exciting dish. Here’s how you can easily create this comforting casserole:

• Initial Preparation: Begin by preheating your oven to a moderate temperature of 350°F (175°C). While the oven is heating, lightly grease a casserole dish of an appropriate size – typically a 9×13 inch dish works well for a generous portion of leftovers.
• Effortless Assembly: Carefully transfer all of your leftover Instant Pot Spaghetti into the prepared casserole dish. Give the mixture a good, thorough stir to ensure an even distribution of the tender pasta and the rich meat sauce throughout the dish.
• Generous Cheese Layer: For that irresistible, gooey factor, mix in a desired amount of shredded mozzarella cheese directly into the spaghetti. This will create wonderful pockets of melted cheese within the casserole. Then, for a perfect golden crust and added flavor, sprinkle an additional, generous layer of mozzarella, Parmesan, or a delicious blend of Italian cheeses over the entire top surface of the spaghetti.
• Baking to Perfection: Place the assembled casserole dish into your preheated oven and bake for approximately 25-30 minutes. The casserole is ready when the center is piping hot and bubbly, and the cheese on top has melted beautifully, turning a delightful golden brown and becoming wonderfully crispy.
• Serving with Joy: Allow the baked casserole to cool for just a few minutes before serving. This brief resting period helps the casserole to set slightly, making it much easier to portion neatly. It’s a truly fantastic, comforting meal, absolutely perfect for a relaxed and cozy evening with loved ones!

Recipe Card

Instant Pot Spaghetti and Meat Sauce

4.55 from 31 votes

By
Rachel Gurk

Prep Time:

10 minutes
mins

Cook Time:

15 minutes
mins

Additional Time:

20 minutes
mins

Total Time:

45 minutes
mins

Servings:
6

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This Instant Pot Spaghetti recipe is a true game-changer! Enjoy perfectly cooked spaghetti with a savory meat sauce, all prepared in just one pot, in about 45 minutes from start to finish. Say goodbye to piles of dirty dishes and hello to your new favorite quick and easy weeknight meal. It’s so incredibly delicious and convenient, you might find yourself never going back to the traditional stovetop method!

Ingredients

• ▢ 1 teaspoon olive oil
• ▢ 1 pound lean ground turkey (ground beef or Italian sausage is good, too)
• ▢ ½ small yellow onion, diced (about ½ cup)
• ▢ 1 pound (16 oz.) whole wheat spaghetti
• ▢ 1 jar (24 oz.) spaghetti sauce of your choice
• ▢ 36 ounces water (use the spaghetti sauce jar to measure the water, just fill it 1 ½ times)
• ▢ 1 can (14.5 oz.) diced tomatoes, undrained
• ▢ A few handfuls of spinach, optional

Instructions

• Heat your Instant Pot to Sauté mode. Add olive oil. Once shimmering and hot, add the ground turkey (or beef/sausage) and diced onion. Cook, breaking up the meat with a spatula, until it is fully browned and cooked through. If using fattier meats, carefully drain any excess fat.
  1 teaspoon olive oil,
  1 pound lean ground turkey,
  ½ small yellow onion, diced
• Break the spaghetti noodles in half and lay them evenly on top of the cooked meat and onion mixture. Pour the entire jar of spaghetti sauce, the measured water, and the undrained can of diced tomatoes over the pasta and meat. Gently move the pasta around with a spoon or spatula to ensure all pieces are separated and completely submerged in the liquid.
  1 pound (16 oz.) whole wheat spaghetti,
  1 jar (24 oz.) spaghetti sauce of your choice,
  36 ounces water,
  1 can (14.5 oz.) diced tomatoes, undrained
• Secure the lid onto your Instant Pot and turn the steam release valve to the “Sealing” position. Select “Manual” or “Pressure Cook” (High Pressure) and set the cooking time for 8 minutes. The Instant Pot will take approximately 15-20 minutes to come to full pressure before the timer begins.
• Once the cooking time has elapsed, perform a quick release of the pressure by carefully turning the steam release valve to “Venting.” Once the float valve drops, remove the lid. If using, add a few handfuls of fresh spinach on top. Replace the lid (no need to seal) and let the spinach steam for 2-3 minutes until wilted, stirring once or twice to incorporate.
  A few handfuls of spinach, optional
• Give the spaghetti a good stir. If the sauce appears too thin, allow the spaghetti to rest in the Instant Pot for 5 to 10 minutes; it will thicken significantly as it cools. Serve immediately, garnished with Parmesan cheese and fresh basil if desired.

Recipe Notes & Tips

• Meat Variations: Feel free to use ground beef or ground Italian sausage in place of ground turkey. If opting for higher-fat meats, ensure you drain any excess fat after browning to prevent a greasy sauce.
• Adding More Vegetables: This recipe is highly customizable for vegetable lovers! If you wish to incorporate heartier vegetables like diced bell peppers, shredded carrots, or sliced mushrooms, sauté them alongside the ground meat in the first step. For vegetables that cook quickly, such as broccoli florets, add them at the same time as the pasta and sauce, ensuring they are placed on top so they can steam evenly without getting overly mushy. Remember to keep the pasta fully submerged in the liquid.
• Storage: Leftover Instant Pot Spaghetti can be stored in an airtight container in the refrigerator for up to 3 days. It also freezes beautifully for up to 3 months. For best results when freezing, use individual portions for easy thawing and reheating.
• Serving Suggestion: A sprinkle of fresh Parmesan cheese and chopped basil always enhances the flavor and presentation. Serve with a crisp green salad and some warm garlic bread for a complete and satisfying meal!

Recipe Video Guide

Nutrition Information

Calories: 396kcal,
Carbohydrates: 66g,
Protein: 31g,
Fat: 4g,
Saturated Fat: 1g,
Polyunsaturated Fat: 1g,
Monounsaturated Fat: 1g,
Trans Fat: 1g,
Cholesterol: 42mg,
Sodium: 737mg,
Potassium: 903mg,
Fiber: 3g,
Sugar: 7g,
Vitamin A: 590IU,
Vitamin C: 15mg,
Calcium: 71mg,
Iron: 5mg

Nutrition information is automatically calculated and is an approximation. Values may vary based on specific ingredients and brands used.

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