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This Instant Pot lentil soup is the ultimate cozy comfort food, packed with tender lentils, hearty vegetables, and a rich, savory broth. Thanks to the pressure cooker, you’ll get all the slow-simmered flavor in a fraction of the time. It’s a one-pot meal that is both delicious and satisfying.

two bowls of Instant Pot lentil soup topped with parsley and a bowl of garlic bread.
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Packed full of veggies and other delicious flavors, this Instant Pot lentil soup is going to knock your socks off!

You can make it in your Instant Pot, slow cooker, or on the stovetop. You can make it vegan, vegetarian, or omnivarian (<—- let’s call that a thing). It’s versatile, delicious, and so easy to make!

Serve with a side of cheesy garlic bread or air fryer Texas toast, and your life will be complete.

ingredients on a marbled board.

a note from sarah

Ingredient highlight

The amazing thing about the Instant Pot is that you don’t have to presoak the lentils before cooking them.

You will want to rinse them and remove any pebbles or debris that snuck their way into your bag of lentils.

But no soaking? Your life is about to rule!

Pro Tips/Recipe Notes

  • This soup was made in an 8-quart Instant Pot. If you have a 3 or 6-quart Instant Pot, the cooking time will be the same. Just make sure you don’t fill the inner pot more than two-thirds full.
  • As written, this recipe can be made vegetarian by switching to veggie broth. Use a dairy-free pesto to make it vegan. 
  • This soup freezes like a boss! Pro tip: freeze in wide-mouth pint mason jars or 1-cup Souper Cubes for easy grab-and-go meals.
an overhead photo of a bowl of lentil soup topped with fresh parsley.
5 from 25 ratings

Cozy & Quick Instant Pot Lentil Soup

Servings: 10
Prep: 15 minutes
Cook: 12 minutes
Pressurizing/Depressurizing: 15 minutes
Total: 42 minutes
two bowls of Instant Pot lentil soup topped with parsley and a bowl of garlic bread.
This Instant Pot lentil soup is the ultimate cozy comfort food, packed with tender lentils, hearty vegetables, and a rich, savory broth. Thanks to the pressure cooker, you’ll get all the slow-simmered flavor in a fraction of the time. It’s a one-pot meal that is both delicious and satisfying.

Ingredients 

  • 8 carrots {peeled and chopped}
  • 7 stalks celery {chopped}
  • 1 onion {diced}
  • 1 cup potato {peeled and chopped}
  • 6 cloves garlic {minced}
  • 1 1/3 cup dried brown or green lentils
  • 6 cups broth of choice
  • 1 tsp smoked paprika
  • 1 tsp dried parsley
  • 1 tsp dried thyme
  • 2 tbsp prepared pesto
  • salt and pepper to taste

Instructions 

  • Add all the ingredients to the Instant Pot. Stir.
    8 carrots, 7 stalks celery, 1 onion, 1 cup potato, 6 cloves garlic, 1 1/3 cup dried brown or green lentils, 6 cups broth of choice, 1 tsp smoked paprika, 1 tsp dried parsley, 1 tsp dried thyme, 2 tbsp prepared pesto, salt and pepper to taste
  • Secure the lid and set the vent to sealing. Press manual>high pressure>12 minutes. It will take around 10 minutes to get up to pressure.
  • When the cooking time is up, allow for a natural release for 5 minutes and then flip the vent to venting and perform a quick release.

Notes

  1. This soup was made in an 8-quart Instant Pot. If you have another sized Instant Pot, the cooking time will be the same. Just make sure you don’t fill the inner pot more than two-thirds full.
  2. As written, this recipe is vegetarian. Use a dairy-free pesto to make it vegan. 
  3. Throw in some spinach at the end of the cooking time for some added greens.
Slow Cooker Instructions
  1. Place all ingredients in your slow cooker and cook on low for 8 hours.
Stovetop Instructions
  1. In a heavy-bottomed saucepan, combine olive oil, carrots, celery, and onions. Cook down for 10 minutes. Add garlic and cook for 5 minutes.
  2. Add the remaining ingredients and cook on medium until lentils are soft (about 30 minutes).

Nutrition

Serving: 1cupCalories: 154kcalCarbohydrates: 27gProtein: 8gFat: 2gSaturated Fat: 1gCholesterol: 1mgSodium: 653mgPotassium: 588mgFiber: 11gSugar: 5gVitamin A: 8748IUVitamin C: 9mgCalcium: 60mgIron: 3mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Main Course
Cuisine: American
Tried this recipe?Mention @sustainablecooks or tag #sustainablecooks!

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About Sarah Cook

I'm here to help you make easy, seasonal, and no-fuss recipes for yourself and your family.

Whether it's a quick one-pot dinner or if I am teaching you how to can and preserve local produce, you can consider me your elder millennial grandma.

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5 from 25 votes (4 ratings without comment)

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