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Instant Pot Vegetable Soup

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Instant Pot Vegetable Soup is a great way to make use of your pressure cooker! The soup is heart-healthy, full of flavor and ready in under 30 minutes! Plus, the entire recipe is made in the Instant Pot, so clean up is a breeze. 

a big bowl of vegetable soup

This Instant Pot Vegetable Soup is a warm, comforting meal that's full of veggies. It's hearty, healthy and a great excuse to bust out your Instant Pot (as is my Instant Pot Spanish rice... just saying!).

Lately, I've been playing around with my pressure cooker and figuring out the best uses for it. This article outlines a handful of common uses for the Instant Pot. Not surprisingly, one common use is soup, which I found to be super easy and intuitive.

Recipe features

  • It's loaded with--wait for it--VEGETABLES, along with potatoes, making it super flavorful
  • It comes together in 30 minutes total and is both gluten free and vegan 
  • You only need one dish (the Instant Pot) for this recipe, so clean up is a breeze
ingredients to make soup with text overlay

Ingredients

  • Onion, garlic - An absolute must for almost any soup recipe.
  • Carrots, celery, green beans - These make up the bulk of the vegetables, so I don't recommend any substitutions.
  • Parsley - Fresh parsley adds even more flavor, so don't skimp on it! If you have to, you can use dried parsley. Start with 2 teaspoon and then add more as needed.
  • Russet potatoes - also called Idaho potatoes. You can peel them if you want, but it's not necessary.
  • Canned diced tomatoes - LOVE using fire roasted diced tomatoes because they have so much more flavor to them. In a pinch? Regular diced tomatoes work just fine, though if that's what you use, I would add ¼-1/2 teaspoon red pepper flakes to the Instant Pot.
  • Italian seasoning - 1 tablespoon may seem like a lot, but I pinky promise it's the perfect amount.
  • Vegetable broth - this is a no-brainer, but you need vegetable broth in order to make vegetable soup. If you're not vegetarian, you can sub chicken broth if you prefer.

Step-by-step instructions

Step 1: Sauté the vegetables. Add 1-2 tablespoon of olive oil to your Instant Pot, then add the onion, garlic cloves, carrots, celery, parsley, and Italian seasoning and press "Sauté". Sauté the vegetables for 3-5 minutes or until the onion is soft.

cooked veggies in an instant pot

Step 2: Pressure cook the soup. Add the potatoes, green beans, diced tomatoes, vegetable broth, and a pinch of salt and pepper and stir to combine. Then, lock the lid in place and make sure the valve on top is on the "sealing" setting. Hit the "Pressure Cook" button (make sure it's set to high pressure) and set the timer to 10 minutes.

It will take around 10 minutes for the Instant Pot to come to pressure, so don't worry if it seems like nothing is happening at first.

Step 3: Naturally release the pressure. Once the 10 minutes is up, the IP will beep, and then begin a new timer to let you know that the pressure is naturally releasing. Naturally release the pressure for 5 minutes, then carefully switch the valve from "seal" to "vent", which will manually release the rest of the pressure.

Once that's done, carefully open the lid, then stir the soup before pouring it into a bowl. Do a quick taste test and add more salt, pepper or red pepper flakes to taste.

vegetable soup in a pressure cooker

Tips and FAQs

  • Vegetable substitutions: If you're looking for other delicious veggies to use instead, try cauliflower, sweet potato, diced butternut squash or even diced bell pepper.
  • Want to make this a creamy vegetable soup? Once it's done cooking, add a ½ cup milk (any kind!), heavy cream or half and half and stir to combine.
  • Want to add some protein? Sauté ground turkey or beef after you sauté the aromatics.
  • Garnish the soup with shredded parmesan cheese, lemon juice or additional fresh parsley.

Is there a preferred way to dice the potatoes?

Not necessarily. The good thing about soup is that it's pretty forgiving, and how you cut the vegetables doesn't really matter. With that said, I chose to keep the potato skins on, and then I sliced the potatoes into rounds before cutting them into fourths.

How long does this soup need to cook?

Honestly, not long. The thing about vegetables in the Instant Pot is that they cook really quickly vs. meat, which takes a little longer to fully cook. You want the vegetables to be soft, but not soggy, so 10 minutes is the perfect amount of time!

Can I use frozen vegetables?

Yes! Feel free to use frozen carrots, peas and/or frozen green beans if that's what you have on hand. 

What should I serve with Instant Pot veggie soup?

Honestly, it's pretty delicious on its own with a slice of sourdough, cornbread or my vegan garlic bread. Other delicious options include a side of zucchini fritters, a salad like my kale and brussels sprouts salad or these air fryer chicken tenders.

Storage

  • Refrigerator: Store leftovers in an airtight container in the refrigerator for up to 4 days. 
  • Freezer: Allow the soup to cool, then transfer it to a freezer-safe container and freeze it for up to 4 months.
  • Reheating: I recommend reheating it in a saucepan over the stove. It's the quickest way, and it's a good way to make sure the heat gets evenly distributed. However, you can reheat in the microwave if you prefer.
a bowl of soup on a plate beside a few slices of bread

Favorite Instant Pot Soups

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If you made this recipe, be sure to leave a comment and star rating below. Thanks!

a big bowl of vegetable soup
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Instant Pot Vegetable Soup

Instant Pot vegetable soup is a great way to make use of your pressure cooker! The soup is heart-healthy, full of flavor and ready in under 30 minutes! Plus, the entire recipe is made in the Instant Pot, so clean up is a breeze. 
Course lunch
Cuisine soup
Diet Gluten Free, Vegan, Vegetarian
Keyword instant pot soup, soup, vegetable soup
Prep Time 5 minutes
Cook Time 20 minutes
Total Time 25 minutes
Servings 4
Calories 164kcal
Author Erin

Equipment

  • pressure cooker

Ingredients

  • 1 cup yellow onion diced
  • 3 garlic cloves minced
  • 2 celery stalks chopped
  • 2 carrots chopped
  • ¼ cup fresh parsley chopped
  • 1 tablespoon Italian seasoning
  • 2 russet potatoes diced
  • 1 cup green beans cut in half
  • 1 can canned diced tomatoes, fire roasted (14 oz.)
  • 32 oz. vegetable broth
  • salt and pepper to taste

Instructions

  • Add 1 tablespoon olive oil to the Instant Pot; then, add onion, garlic, carrots, celery, parsley, and Italian seasoning. Press "sauté", then sauté everything for 3-5 minutes or until the vegetables have slightly softened.
  • Add potatoes, beans, tomatoes, broth, salt, and pepper, lock the lid and make sure the pressure release handle is in the "sealing" position, then set the pressure cook time to 10 minutes. It will take 10 minutes or so for the pot to fully come to pressure, then it will begin counting down from 10.
  • Once the timer beeps, that means the soup is done. Allow 5 minutes for the pressure to naturally release before carefully flipping the pressure release handle to "vent" mode and manually releasing the pressure. Slowly remove the lid, stir the soup and adjust the salt and pepper as needed.
  • Enjoy!

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