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Instant Pot Spaghetti

Recipe developed by Amy + Jacky

How to Cook Quick & Easy Instant Pot Spaghetti (Pressure Cooker Spaghetti)! Yummy al dente pasta soaked in flavorful marinara sauce. Minimal prep, ingredients & clean up. A family favorite weeknight one pot meal!
Course Dinner, Lunch
Cuisine American, American-Italian
Keyword cooking pasta in instant pot, how to cook spaghetti, how to make spaghetti, instant pot pasta, instant pot spaghetti, instapot spaghetti, marinara recipe, one pot spaghetti, pressure cooker pasta, pressure cooker spaghetti, spaghetti recipe
Total Time 30 minutes
Servings 4 -6
Calories 542kcal


  • 1 pound (454g) ground beef (we used regular ground beef for more fat, lean ground beef will also work)
  • 1 tablespoon (15ml) olive oil
  • 1 pound (454g) spaghetti
  • 4 cups (1L) unsalted chicken stock (or water)
  • Kosher salt and ground black pepper

Simple Marinara Sauce

  • 1 large can (28oz) whole peeled tomatoes
  • 1 (180g) onion , diced (or 1 teaspoon onion powder)
  • 3 cloves (15g) garlic , minced (or ½ teaspoon garlic powder)
  • 1.5 teaspoon (1.8g) dried basil
  • 1.5 teaspoon (1.2g) dried oregano
  • 3 tablespoons (45ml) regular soy sauce


  • *For Dump-and-Go-Meal: skip the browning, sauteing, and deglazing steps below. Make sure to break the ground beef into smaller chunks, then layer the seasoned ground beef chunks, onions, garlic, dried herbs at the bottom of the pot.
  • Brown Ground Beef in Instant Pot (Flavor Booster): Heat up Instant Pot using "Sauté More" function. Wait until it says "HOT" (~8 mins). Add 1 tbsp (15ml) olive oil in Instant Pot (ensure the oil is coated over the whole bottom).
    Add 1lb (454g) ground beef in Instant Pot, then season generously with salt & ground black pepper. After browning for 5 minutes, discard the ground beef juice. Allow the ground beef to brown. Stir occasionally until they are slightly crisped (~5 – 7 mins). Taste then adjust with more salt & black pepper.
  • Saute Onion & Herbs: Add diced onions, minced garlic, 1.5 tsp (1.8g) dried basil, and 1.5 tsp (1.2g) dried oregano to the browned beef, then saute for another 2 minutes.
  • Deglaze Instant Pot: Pour 1 cup (250ml) unsalted chicken stock in Instant Pot, then deglaze by scrubbing all the flavorful brown bits off the bottom with a wooden spoon. Give it a quick mix.
  • Pressure Cook Spaghetti: Add 3 tbsp (45ml) regular soy sauce, 3 cups (750ml) unsalted chicken stock in Instant Pot. Break the 1 lb (454g) spaghetti in half, then add spaghetti in Instant Pot.
    *Pro Tip: Ensure all spaghetti are soaked into the liquid (not clumped together).
    Then, layer 1 large can (28oz) whole peeled tomatoes or Marinara sauce on top. Do not mix.
    With Venting Knob in Venting Position, close the lid, then turn Venting Knob to Sealing Position. Pressure Cook at High Pressure 3 minutes + Natural Release 5 minutes. After 5 minutes, release remaining pressure, then open the lid.
  • Thicken & Season Spaghetti: The spaghetti sauce will look liquidy, and the spaghetti are about 85% - 90% cooked. Use the "Saute More" function (press "Cancel" and "Saute") to bring the content back to a simmer. With a wooden spoon, break down the tomatoes, then stir a few minutes to cook the spaghetti and thicken the sauce. Taste and season with roughly 3 - 4 large pinches of salt. Turn off the heat.
  • Serve Spaghetti: Garnish with freshly grated Parmesan cheese, then serve yummy spaghetti. Enjoy!~


*Layer Ingredients: To prevent triggering Instant Pot's sensitive "BURN" notice, it's important to layer the ingredients in Instant Pot as directed in the recipe.
*Rate Recipe: If you've tried the recipe, don't forget to Rate the Recipe in the Comments Section. Thank you!


Calories: 542kcal | Carbohydrates: 63g | Protein: 28g | Fat: 20g | Saturated Fat: 7g | Cholesterol: 54mg | Sodium: 614mg | Potassium: 603mg | Fiber: 3g | Sugar: 4g | Vitamin A: 10IU | Vitamin C: 3.5mg | Calcium: 63mg | Iron: 3.5mg

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