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Easy Instant Pot Spaghetti Recipe 20 Minutes Perfect Weeknight Dinner

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A quick and easy one-pot Instant Pot spaghetti recipe that delivers rich, garlicky tomato sauce and perfectly tender pasta in just 20 minutes. Perfect for weeknight dinners and family meals.

Ingredients

Scale
  • 8 ounces (225 grams) dried spaghetti, broken in half
  • 1 pound (450 grams) ground beef or turkey (optional for vegetarian version)
  • 2 tablespoons olive oil
  • 1 medium onion, finely chopped
  • 3 cloves garlic, minced
  • 1 can (28 ounces / 800 grams) canned crushed tomatoes
  • 2 tablespoons tomato paste
  • 2 cups (480 ml) beef or vegetable broth
  • 2 teaspoons Italian seasoning (oregano, basil, thyme blend)
  • Salt and pepper to taste
  • Red pepper flakes, optional pinch
  • Fresh basil or parsley for garnish
  • Parmesan cheese for serving (optional)

Instructions

  1. Set Instant Pot to Sauté mode. Add olive oil, then sauté chopped onion and garlic until softened and fragrant, about 3-4 minutes.
  2. Add ground beef or turkey and brown thoroughly, breaking it apart with a spoon. Drain excess fat if needed.
  3. Stir in tomato paste and cook for 1 minute to deepen flavor.
  4. Pour in crushed tomatoes, broth, Italian seasoning, salt, pepper, and optional red pepper flakes. Mix well.
  5. Break spaghetti in half and layer in a crisscross pattern on top of the sauce mixture without stirring. Gently press down so mostly submerged.
  6. Close lid, set valve to sealing, and cook on Manual/Pressure Cook mode for 8 minutes at high pressure (7 minutes for thinner pasta).
  7. Let pressure release naturally for 5 minutes, then carefully quick release remaining pressure.
  8. Open lid and gently stir to combine pasta and sauce. Adjust seasoning if needed.
  9. Garnish with fresh basil or parsley and sprinkle with parmesan cheese before serving.

Notes

Layer pasta on top of sauce without stirring to prevent sticking. Break spaghetti in half for even cooking. Use natural pressure release for 5 minutes to avoid mushy pasta. If sauce is too watery after cooking, use Sauté mode to thicken. Adjust cooking time slightly based on pasta type and Instant Pot model.

Nutrition

Keywords: Instant Pot spaghetti, easy spaghetti recipe, quick pasta dinner, weeknight dinner, one-pot meal, pressure cooker spaghetti