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    Home » Recipes » All Recipes

    Vegan Instant Pot Lentil Soup

    Published: Feb 15, 2021 by Kathleen Hansen · This post may contain affiliate links · 1 Comment

    Jump to Recipe·Print Recipe

    Vegan Instant Pot Lentil Soup is the perfect soup recipe to get your fill of veggies! It's loaded with butternut squash, potatoes, carrots, celery, lentils, and kale. Filled with veggies but still super filling from the lentils and potatoes. Cooking in the pressure cooker makes the soup nice and thick and creamy. I highly recommend serving with a piece of crusty bread.

    Vegan instant pot lentil soup in a bowl

    Looking for another vegan Instant Pot recipe? I love making these Instant Pot Curry Lentils.

    Ingredients for Lentil Soup:

    • Butternut Squash
    • Carrots, Celery, and Onion - you can buy a pre-chopped mix of mirepoix if you'd like to cut down on prep
    • Russet Potatoes
    • Brown or Green Lentils
    • Kale - finely chopped. You can do this yourself or buy it pre-shredded. Also try this Sausage Kale Potato Soup.
    • Vegetable Stock or Broth - if you are not vegan, you could also use chicken broth or stock
    • Spices: Rosemary, Thyme, Parsley, Salt and Pepper. You can absolutely add some other favorites!
    • Olive Oil
    • Lemon Juice
    Diced potatoes, mirepoix, lentils, and butternut squash in glass prep bowls

    How to Make Instant Pot Lentil Soup

    1. First, add all ingredients except for the kale, olive oil, and lemon juice.
    2. Seal Instant Pot and cook on manual high pressure for 15 minutes. Allow to natural release for 10 minutes before quick releasing remaining pressure.
    3. Stir in shredded kale, olive oil, and lemon juice
    4. Serve and Enjoy!
    lentil soup ingredients in instant pot
    lentil soup in an instant pot

    Can this be made in the slow cooker?

    Yes! Follow the steps and add all ingredients, except for the kale, olive oil, and lemon juice to a large crockpot. Cook on low for 7-8 hours until veggies are tender and lentils are cooked.

    The Instant Pot breaks down the veggies more than they will in the slow cooker - this is what makes the Instant Pot version so creamy. To make the Slow Cooker version creamy, you can blend a few scoops of the cooked soup with the olive oil and then add back to the soup along with the kale and lemon juice, and stir until the kale is wilted.

    Instant Pot lentil soup with kale in bowls

    Storage, Reheating, and Freezing

    Storage: Leftover soup can be stored in airtight containers in the fridge for up to 5 days.

    Reheating: The lentils will soak up some of the liquid overtime causing the soup to thicken. You can add a splash of broth, stock, oven water when reheating. It can be reheated in the microwave or in a pot on the stove over medium until warmed.

    Freezing: The finished and cooked lentil soup can be frozen for 3 months! Allow to fully cool then freeze in freezer bags or I love using these Souper Cubes to freeze individual portions. Allow to thaw and reheat following instructions above.

    Vegan lentil soup in the instant pot

    Recipe Notes and Tips:

    • To cut down on prep, you can buy pre-diced mirepoix (carrot, celery, and onion). Fresh or frozen works! You can also buy frozen cubed butternut squash and potatoes.
    • Have fun with the spices! Experiment with your favorite spice combinations. Like spice? Add a pinch of red pepper flakes!
    • Don't like kale? Leave it out!
    Veggie lentil soup in a bowl

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    Print

    Recipe

    Vegan Instant Pot Lentil Soup

    Lentil soup in a bowl
    Print Recipe

    5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    5 from 1 review

    Vegan Instant Pot Lentil Soup is the perfect soup recipe to get your fill of veggies! It's loaded with butternut squash, potatoes, carrots, celery, lentils, and kale. Filled with veggies but still super filling from the lentils and potatoes. Cooking in the pressure cooker makes the soup nice and thick and creamy. 

    • Author: Kathleen
    • Prep Time: 10 minutes
    • Cook Time: 40 minutes
    • Total Time: 50 minutes
    • Yield: 8 servings
    • Category: Soup
    • Method: Instant Pot
    • Cuisine: American
    • Diet: Vegan

    Ingredients

    • 2 cups cubed butternut squash
    • ⅔ cup diced carrots
    • ⅔ cup diced celery
    • ⅔ cup diced white or yellow onion
    • 2 cups diced russet potatoes
    • 1 cup brown or green lentils
    • 2 teaspoons minced garlic
    • ½ teaspoon dried rosemary
    • ½ teaspoon dried thyme
    • ½ teaspoon dried parsley
    • ½ teaspoon kosher salt, adjust to preference
    • Pinch of Ground Black Pepper
    • 4 cups vegetable stock or broth, plus additional to thin out soup as needed
    • 2 cups shredded kale
    • ¼ cup olive oil
    • 2 tablespoons lemon juice

    Instructions

    1. Add Ingredients. First, add all ingredients except for the kale, olive oil, and lemon juice to the liner of your Instant Pot.
    2. Pressure Cook. Cover Instant Pot and set to sealing. Cook on manual high pressure for 15 minutes. Allow to natural release for 10 minutes before quick releasing the remaining pressure.
    3. Add Final Ingredients. Stir in shredded kale, olive oil, and lemon juice. Stir until kale is wilted. If you prefer a thinner soup, you can add a splash of more stock or broth to thin out.
    4. Serve and Enjoy!

    Notes

    Leftovers can be stored in the fridge for 4 days or frozen for up to 3 months.

    Nutrition

    • Serving Size: ⅛ of recipe
    • Calories: 212
    • Sugar: 3.9 g
    • Sodium: 373.6 mg
    • Fat: 7.4 g
    • Carbohydrates: 31.2 g
    • Fiber: 4.7 g
    • Protein: 7.6 g
    • Cholesterol: 0 mg

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    1. Katie says

      March 31, 2023 at 5:17 pm

      I love how packed with veggies this recipe is

      Reply

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    Hi! I'm Kathleen and welcome! My favorite place to be has always been in the kitchen and I love creating recipes that are easy and approachable. Simple ingredients and easy-to-follow instructions!

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