Spaghetti and Meatballs

🕒 Prep: 10 min
🔥 Cook: 8 min
🍽 Serves: 4
★★★★★
Be the First to Review!

If you're craving a comforting bowl of spaghetti and meatballs but want to keep things simple and quick, this Instant Pot version is just the ticket. It's a cozy, one-pot meal that brings together tender meatballs and perfectly cooked spaghetti in a rich marinara sauce. Perfect for a weeknight dinner that feels a bit special.

Spaghetti and Meatballs

This post may contain affiliate links. As an Amazon Associate, we earn from qualifying purchases.

Ingredients for Spaghetti and Meatballs

Ingredients for Spaghetti and Meatballs

Ground beef forms the base of our meatballs, providing rich flavor and a hearty texture. The breadcrumbs help bind the meatballs together, while Parmesan cheese adds a savory depth. A single egg acts as a binder, ensuring everything holds. Garlic and oregano infuse the meatballs with aromatic goodness. A pinch of salt and black pepper rounds out the seasoning. For cooking, olive oil adds a lovely richness and helps brown the meatballs. Onions sautéed in the pot add a sweet, robust flavor to the sauce. The marinara sauce is the heart of the dish, providing a tangy, tomatoey base. Water is needed to cook the spaghetti right in the sauce, while the spaghetti itself soaks up all the flavors. Finally, fresh basil leaves are stirred in at the end for a burst of freshness.

Why This Spaghetti and Meatballs Works

During mixing, the breadcrumbs, egg, and Parmesan grab onto the ground beef and hold it together, so the meatballs stay firm instead of falling apart. As the meatballs brown in the Instant Pot, the outside tightens up and forms a thin crust, which keeps the juices inside. The garlic and oregano spread through the meat as it cooks, so each bite tastes seasoned all the way through.

After the meatballs come out, the onion sits in the hot oil and softens. It goes from sharp and crunchy to sweet and mellow, and those bits mix into the marinara and water. When the dry spaghetti goes straight into that liquid, the noodles slowly soak it up as the pot comes to pressure. The starch from the pasta leaks out into the sauce, so the liquid thickens and clings to the noodles instead of staying watery.

While everything cooks together under pressure, the meatballs finish cooking gently on top. Their juices drip down into the pasta and sauce, and the pasta stays surrounded by steam and liquid, so it ends up soft but not mushy. Fresh basil goes in at the end so it stays bright and doesn’t wilt away.

Spaghetti and Meatballs Tips & Tricks

  • Don't skip browning the meatballs; it adds a nice texture and deep flavor.
  • If you prefer a bit of heat, add a pinch of red pepper flakes to the sauce.
  • Use a wooden spoon to stir after cooking — it’s gentler on the spaghetti.

Mistakes To Avoid

Packing the meatballs too tightly or overmixing the meat makes them dense. The proteins get squeezed together, so instead of soft meatballs, they turn out tough and a bit rubbery after pressure cooking.

Skipping the browning step in sauté mode leaves the meatballs pale and fragile. In the Instant Pot, they can shed more fat and bits of meat into the sauce, so the meatballs break apart and the sauce turns greasy and cloudy.

Letting the onions stay too raw before adding the sauce means they don’t soften enough under pressure. They end up with a sharp bite and firm pieces that stand out in the finished pasta instead of blending into the sauce.

Stirring the spaghetti into the sauce instead of leaving it layered on top often leads to clumps and uneven cooking. Some strands stick together in tight bundles and stay hard in the middle, while others turn very soft and start to break.

Equipment Used:

Instant Pot, Mixing Bowl, Spatula

Ingredients

  1. 1 lb ground beef
  2. 1/2 cup breadcrumbs
  3. 1/4 cup grated Parmesan cheese
  4. 1 egg
  5. 2 cloves garlic, minced
  6. 1 tsp dried oregano
  7. 1 tsp salt
  8. 1/2 tsp black pepper
  9. 2 tbsp olive oil
  10. 1 onion, chopped
  11. 24 oz marinara sauce
  12. 3 cups water
  13. 12 oz spaghetti
  14. 1/4 cup fresh basil leaves, chopped

Step-by-step Instructions

  1. 1. In a bowl, mix ground beef, breadcrumbs, Parmesan, egg, garlic, oregano, salt, and pepper. Form into meatballs.
  2. 2. Set the Instant Pot to sauté mode and add olive oil. Brown meatballs on all sides, then remove.
  3. 3. Add onion to the pot and sauté until translucent.
  4. 4. Turn off sauté mode, then pour in marinara sauce and water. Stir to combine.
  5. 5. Break spaghetti in half and layer over the sauce. Do not stir.
  6. 6. Place meatballs on top of the spaghetti.
  7. 7. Seal the lid and set Instant Pot to manual high pressure for 8 minutes.
  8. 8. Once done, perform a quick release. Stir in fresh basil before serving.

Frequently Asked Questions

Can I use a different type of pasta?
Yes, you can use other pasta types, but cooking times may vary. Adjust the pressure cooking time accordingly.
What if I don't have fresh basil?
You can substitute with dried basil, but use less since it's more concentrated. Start with 1 teaspoon and adjust to taste.

Serving Ideas for Spaghetti and Meatballs

This dish pairs beautifully with a crisp green salad tossed in a light vinaigrette. A side of garlic bread also complements the meal perfectly, ideal for soaking up that delicious sauce. For a complete Italian-themed dinner, consider serving with roasted vegetables like zucchini or bell peppers.

Ratings and Comments

Your feedback helps other cooks — thank you!

This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.