Instant Pot Spaghetti Sauce (with fresh tomatoes!)

User Reviews

4.9

300 reviews
Excellent
  • Prep Time

    8 mins

  • Cook Time

    20 mins

  • Additional Time

    10 mins

  • Total Time

    38 mins

  • Servings

    12 (roughly 40 ounces)

  • Calories

    35 kcal

  • Course

    Main Course

  • Cuisine

    Vegan

Instant Pot Spaghetti Sauce (with fresh tomatoes!)

This Instant Pot Spaghetti Sauce uses fresh tomatoes, onion, carrot, and garlic cooked under pressure to create a smooth and richly flavored tomato base. Seasoned with dried oregano, basil, and sea salt, it's finished with tomato paste for body and thickness. The resulting sauce offers a balanced, fresh tomato flavor with herbal notes suited for pasta dishes.

Description

The sauce begins by layering quartered fresh tomatoes, onion, carrot chunks, and whole garlic cloves in the Instant Pot. Dried oregano, basil, and sea salt are added on top without stirring to avoid burning. Pressure cooking for 20 minutes softens the vegetables and melds flavors effectively.

After natural pressure release, the vegetables are blended into a smooth sauce using an immersion blender. Adding tomato paste at this stage thickens the sauce and enriches its depth without overpowering the fresh vegetable flavors.

This sauce serves as a fresh and controllable base for spaghetti or other pasta dishes. The use of fresh tomatoes rather than canned provides brightness, while the carrot adds subtle sweetness balancing acidity. Cooking under pressure reduces overall cooking time compared to stovetop simmering.

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Ingredients

Servings
  • 2 pounds tomato cut into quarters, fresh
  • 2 small onion cut into quarters, yellow
  • 2 large carrot cut into large chunks
  • 2 garlic whole, cloves
  • 2 teaspoons oregano dried
  • 2 teaspoons basil dried
  • 1 teaspoon salt sea salt
  • 6 ounces tomato paste (no salt added)

Instructions

  1. Add the tomatoes, onion, carrot, and garlic to the Instant Pot. Sprinkle the oregano, basil, and salt over the top of the vegetables, but don't stir. (You don't want the seasonings to touch the bottom of the Instant Pot or you could get a burn error.)
  2. Secure the lid and move the steam release valve to Sealing. Select Manual or Pressure Cook (the name of the button will vary by machine) and cook at high pressure for 20 minutes. It will take roughly 10 minutes for the pressure to build in the pot before the cooking cycle begins, so the pot will say "On" until then.
  3. When the cooking cycle completes, allow the pressure to naturally release for 10 minutes. When the screen reads L0:10, move the steam release valve to Venting to release any remaining pressure. When the floating valve drops, it's safe to remove the lid.
  4. Use an immersion blender to blend the cooked vegetables into a smooth sauce. Add in the tomato paste and blend again to make sure it's fully incorporated. It should thicken the sauce. Adjust any seasoning to taste, then serve warm over your favorite pasta.
  5. This sauce should keep well in an airtight container for up to a week in the fridge, or you can freeze it for up to 3 months.

Nutrition Information

Show Details
Calories 35kcal (2%) Carbohydrates 7g (2%) Protein 1g (2%) Sodium 317mg (13%) Potassium 372mg (8%) Fiber 2g (8%) Sugar 4g (8%) Vitamin A 2545IU (51%) Vitamin C 15.1mg (17%) Calcium 22mg (2%) Iron 0.8mg (4%)

Nutrition Facts

Serving: 12(roughly 40 ounces)

Amount Per Serving

Calories 35 kcal

% Daily Value*

Calories 35kcal 2%
Carbohydrates 7g 2%
Protein 1g 2%
Sodium 317mg 13%
Potassium 372mg 8%
Fiber 2g 8%
Sugar 4g 8%
Vitamin A 2545IU 51%
Vitamin C 15.1mg 17%
Calcium 22mg 2%
Iron 0.8mg 4%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

4.9

300 reviews
Excellent

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