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Instant Pot Tomato Soup

Updated May 26, 2021Published Jan 15, 2019 By Julia 4 CommentsThis post may contain affiliate links.

Summary:
This thick and creamy soup is a hearty but low calorie meal made in a pressure cooker. Red peppers, basil, and thyme add complexity to the flavors. The acidity of the tomatoes is well-balanced by the sweetness of the carrots.
overhead view of tomato soup

Instant Pot Tomato Soup

5 from 4 votes
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Prep: 20 mins
Cook: 20 mins
Natural Release: 10 mins
Yield: 7 servings

INGREDIENTS

  • 28-ounce can crushed tomatoes
  • 12-ounce jar roasted red peppers, drained
  • 1.5 cups packed fresh basil leaves (Note 1)
  • 1 medium onion, finely chopped
  • 1 medium carrot, finely chopped
  • 2.5 cups water (Note 2)
  • 1/2 cup finely grated parmesan cheese (Note 3)
  • 2 tablespoons butter
  • 2 teaspoons table salt
  • 1/2 teaspoon ground thyme (Note 4)
  • 1/4 teaspoon crushed red pepper flakes (Note 5)

INSTRUCTIONS

  • Sauté: Select sauté mode on pressure cooker (Note 6) for medium heat. Once heated, add butter to grease bottom of pot. Add onions, carrots, salt, thyme, and red pepper flakes. Stirring frequently, cook until vegetables are starting to brown, about 10 minutes. Stir in basil until wilted, about a minute. Turn off sauté mode.
  • Pressure Cook: Add crushed tomatoes, drained red peppers, and water to pot, stirring together. Secure and seal lid. Cook for 5 minutes at high pressure, followed by 10-minute natural release. Manually release remaining pressure by gradually turning release knob to venting position.
  • Blend: Uncover pot. Use immersion blender (Note 7) to blend tomato mixture until thick and very smooth, or pour into tabletop blender for same effect.
  • Serve: Gradually stir in parmesan cheese until melted. Optionally, season with additional salt to taste. Serve while warm (Note 8).

NUTRITION

Makes 7 Servings
Amount Per Serving (1 cup):
Calories 110 (35% from fat)  
Total Fat 4g 7%
   Saturated Fat 3g 16%
Cholesterol 14mg 5%
Sodium 770mg 32%
Net Carb 8.5g  
Total Carb 11g 4%
   Dietary Fiber 2.5g 11%
   Sugars 4g  
Protein 5g  
Vitamin A 49% · Vitamin C 30% · Calcium 11% · Iron 12%

PHOTOS

overhead view of tomato soup
tomato soup in instant pot pressure cooker
ladling up tomato soup from instant pot
close up view of tomato soup

NOTES & TIPS

(1) Basil. About 1.5 ounces weight of fresh basil leaves.
(2) Water. I use water instead of broth because most commercial broths are just salt and additives that contribute little flavor. However, if you have homemade stock, that would be a great substitution for water.
(3) Parmesan Cheese. This is finely grated parmesan that has a sandy or almost powdery texture, not shredded, often available in pre-grated bags in the refrigerated section of U.S. grocery stores. This can be substituted with similar cheeses like pecorino romano or asiago.
(4) Dried Thyme. This amount is for powdered dry thyme, not whole leaves.
(5) Crushed Red Pepper. This adds a bit of heat, and can be adjusted accordingly or substituted with your favorite spice. I use a very mild amount, but it can be omitted entirely.
(6) Pressure Cooker. I use a 6-quart Instant Pot. You can use a different size of electric pressure cooker as long as all ingredients fit within the maximum capacity line.
(7) Blender. An immersion blender is convenient for making puréed soups like this. If you don’t have one, pour the soup into a large countertop blender and blend for the same effect. Make sure that your blender is safe for use with hot liquids.
(8) Serving. Serve in bowls, optionally topping with extra fresh basil. Pair with low carb sides like homemade parmesan crisps or almond flour crackers, or higher carb options like croutons, grilled cheese, baked potato, or crusty bread.

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Filed Under: Low Carb, Per Serving: 5-10g Net Carbs, Soups Tagged With: 31-60min, basil, butter, carrot, crushed red pepper, crushed tomatoes, dried thyme, gluten free, instant pot, more10ingredients, onion, parmesan cheese, roasted red peppers, stovetop, vegetarian

About Julia

ABOUT THE AUTHOR
Julia is a recipe developer and the founder of Savory Tooth. Since 2015, she has been sharing simple recipes for tasty dishes, mostly low carb and gluten free. Learn more.

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TRICIA MORRIS

I am currently polishing off a bowl of this fabulous soup. I followed the recipe exactly but had to sub dried basil for fresh. It’s winter ‘n all. 😉 Can’t wait to make this again. Some of the best tomato soup I’ve ever had, at home or out!

Vote Up2Vote Down  Reply
4 years ago
Serena AZ

I’ve made this soup several times. It’s a big hit with my family and so easy to prepare. Thanks!

We like our food a bit picante, so I’m now doubling the red pepper flakes and adding one chipotle chile (I buy them canned and freeze in small batches.)

Vote Up1Vote Down  Reply
4 years ago
Maggee Mae

Julia, made soup, husband approved! I can my own tomatoes. Added a can of fire roasted because I didn’t have roasted red peppers which I will try next time. Added some sugar and rosemary. We like 1/2 and 1/2 instead of cheese. Thanks, by the way my mom’s name is Julia

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2 years ago
Beth

This was easy, even though I couldn’t find the cord to my Instant Pot and I cooked it on the stove top. The flavor was delightful from all the fresh basil. Makes me want to make the whole thing with fresh summer tomatoes. Maybe in July …. Anyway, it cooked quickly even on the stove because I used the food processor to chop the onions and carrots very small.
I like your recipes, thanks for posting!

Vote Up0Vote Down  Reply
4 years ago

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