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Satisfying Instant Pot Lentil Soup

January 20, 2021 By Emily

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A bowl of lentil soup with a spoon in the bowl, on a white background. this recipe

I know, I know – at the mention of lentil soup half of you are probably thinking “well this sounds boring”.

I promise you, it’s not.

Yes, it is possible to make a deliciously satisfying lentil soup that won’t leave wishing you ate a bowl of beef chili instead.

This lentil soup is packed with a variety of veggies for interesting texture, and flavor for the taste buds. It’s also has loads of perfectly cooked lentils. Several cups of the veggies and lentils are blended up and stirred back into the soup to create a thick, creamy base while still having plenty of whole lentils and veggies to bite into. The kale is stirred in at the end so that it’s wilted just enough to be soft, yet, it still has a nice chewiness to it.

Top the lentil soup with some parmesan cheese for some extra umami, salty, cheesy flavor. However, if you want to keep this recipe purely vegan, or dairy free, you can easily leave off the parmesan cheese. 

Seriously, this instant pot lentil soup is filling and satisfying enough to be eaten as a meal of it’s own. It’s hearty, creamy, warming, bursting with texture, and flavor. 

Plus, it is super easy to make. Simply chop all the veggies, add the lentils, broth, canned tomatoes, and allow the instant pot to do the rest. 

35 minutes and dinner is served!

Chopped veggies in the instant pot.

This soup has an medley of veggies that adds quite a bit of heartiness to the lentils. 

Nope, this isn’t that boring old can of flavorless lentil soup you have when sick. This lentil soup holds it’s own. 

Come on, give this instant pot lentil soup recipe a try. Will  ya?

Ingredients for instant pot lentil soup:

  • yellow, or white onion
  • garlic
  • carrots
  • celery
  • cauliflower
  • baby Yukon gold potatoes
  • green, or brown lentils
  • can of diced fire roasted tomatoes
  • chicken broth, or veggie broth
  • dried sage
  • kosher salt
  • black pepper
  • kale leaves
  • red wine vinegar (optional) – but adds a nice tang
  • Parmesan cheese  (optional) – for topping
  • Parsley (optional) – for topping

Talk about healthy, clean ingredients for January eating goals!

Can I make this lentil soup on the stove top?

Yes! 

I have tested this recipe on the stove top, it is just as easy to make, and just as delicious.  I have written the directions in the notes of the recipe card below. Most of the recipe is pretty similar to the instant pot directions.

Lentil soup in the instant pot with a ladle spooning some out.

Equipment I used to make lentil soup

(affiliate links)

  • instant pot duo plus – my go-to instant pot I use for this recipe, and many more.
  • Dutch Oven – I do have a stovetop version of this recipe in the notes of the recipe card. I LOVE my Dutch oven for soup making.
  • chef’s knife – A good sharp knife is ideal for chopping up all those veggies.
  • kitchen scale – a scale can be helpful for weighing your potatoes.
  • liquid measuring cup – a must for measuring out the liquids.
  • high speed blender – any blender will work for this recipe, but if you’re in the market for a high speed blender that will get any job done – I can’t recommend the Vitamix enough!
  • ladle – a good ladle is a must for serving up the soup.

Why You’ll love instant pot lentil soup:

  • takes 35 minutes to make – thanks instant pot
  • only requires one pot – thanks again instant pot
  • inexpensive to make – lentils are super cheap, yet they are packed with protein and fiber.
  • a filling meal – thanks to the lentils, potatoes, and other hearty veggies.
  • comforting – hello hot bowl of soup!
  • healthy – meatless, and loaded with veggies.
  • delicious – just trust, this lentil soup is one you will crave.
  • great leftovers – this soup re-heats beautifully making it a great meal prep recipe!

Have I convinced you to make yourself a batch of lentil soup?

It’s seriously so good that I am making it for dinner again this week. 

I love the recipes that make me feel good from the inside out, while still making me excited to eat them.

Don’t you?

sideways view of lentil soup in a white bowl with a hand holding a spoon. On a white background.

More lentil recipes to love:

  • lentil quesadillas
  • instant pot creamy lentil curry
  • curried lentil bowls (for breakfast)
  • lentil mushroom tacos with creamy chipotle sauce

More soup recipes for you to try

  • super easy instant pot chicken broth
  • instant pot white chicken chili
  • the best beef chili
  • roasted tomato and red pepper soup
  • traditional Irish stew
  • the best egg drop soup (15 minutes)
  • dairy free zuppa Toscana soup
  • The best chicken noodle soup

An overhead shot of a bowl of lentil soup with a hand holding a spoon, on a white wood background.

When you make this recipe don’t forget to leave a comment down below, along with a star rating. It helps my recipes get seen by more people, and I love hearing from you. Thanks, friends!

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Satisfying Instant Pot Lentil Soup

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  • Author: Emily
  • Prep Time: 15 mins
  • Cook Time: 20 mins
  • Total Time: 35 minutes
  • Yield: 6 to 8 1x
  • Category: soup, entree, dinner, easy, instant pot, one pot
  • Method: instant pot
  • Cuisine: gluten free, dairy free, vegan, vegetarian, egg free
  • Diet: Vegan
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Description

Instant pot lentil soup is loaded with a variety of veggies, and plant-based protein from the lentils – it will keep you full for hours. It’s easy to make, inexpensive, healthy, and comforting.


Ingredients

Units Scale
  • 1 medium white, or yellow onion, chopped
  • 4 to 5 cloves garlic, minced
  • 2 large carrots, thinly sliced
  • 2 ribs of celery, thinly sliced
  • 2 cups cauliflower florets, cut into 1 inch pieces (about 1/2 head of cauliflower)
  • 1/2 pound (4 to 5) baby Yukon potatoes, cut into 1 inch cubes
  • 1 1/4 cups green, or brown lentils, rinsed and picked through for any debris
  • 1 15 ounce can diced fire roasted tomatoes
  • 4 cups low sodium chicken broth (or veggie broth)
  • 1 cup filtered water (or more broth)
  • 3/4 teaspoon dried sage
  • 2 teaspoons kosher salt
  • 1/2 to 1 teaspoon black pepper
  • 1 head of kale, washed, leaves removed from stems, roughly chopped
  • Optional: 3 to 4 tablespoons of red wine vinegar

Optional toppings

  • freshly grated, or shaved parmesan cheese (it can be pre-shredded, just get the good quality kind from the deli/cheese section, rather then the stuff in a can).
  • parsley, chopped


Instructions

  1. Prepare ingredients: Chop the onion, garlic, carrots, celery, cauliflower, and potatoes as instructed above and add them to a 6 quart instant pot (or other electric pressure cooker) – notes below for slow cooker directions. Also add the rinsed lentils, canned tomatoes, broth, water (or extra broth), and dried sage. Stir everything together. Note: we will add the salt, pepper, and kale at the end of cooking. Adding salt to lentils while they cook makes them tough.
  2. Cook: Lock the lid onto the instant pot. Place the nozzle in the “sealing” position. Set the pressure cooker for “high pressure”, and adjust the timer for 10 minutes. Once the instant pot is done cooking, carefully force release the pressure. Remove the lid and stir in the salt and pepper. Set the instant pot to the “keep warm” setting
  3. Prepare kale: While the instant pot is doing it’s thing, you can prepare your kale at this time, as instructed above.
  4. Blend: returning to the soup carefully ladle 3 cups of the soup into a blender and blend until nice and creamy. Note: if you don’t have a blender that works well with blending hot liquids, then, it is important to let the amount of soup you’re blending cool slightly before blending to avoid an explosion. Once blended stir the blended portion back into the instant pot.
  5. Add the kale: At this time stir in the chopped kale and allow it to wilt for 1 minute.
  6. Taste: Taste your soup and adjust flavors as needed. It may need more salt. if under salted this soup can really be lacking in taste. If desired you can stir in a few tablespoons of red wine vinegar (or to your taste), it adds a really nice tang.
  7. Serve: Serve the soup immediately. Top with good quality parmesan cheese, as desired.
  8. To store leftovers: This soup is great leftover. Once the soup has mostly cooled to room temp transfer it into airtight containers and store in the fridge for up to 1 week. Reheat gently in the microwave, or in a sauce pot.

Equipment

Image of 6 qt instant pot

6 qt instant pot

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Image of liquid measuring cup

liquid measuring cup

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Kitchen scale

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Notes

Dairy free: to keep this recipe dairy free omit the parmesan cheese topping.

Vegan: to make this recipe vegan omit the parmesan cheese, and sub the chicken broth for veggie broth.

Chicken broth: Of course you can use store bought chicken broth for this recipe (that’s what I used), but I like to remind you of my super easy instant pot chicken broth, if you’re interested in a homemade version.

Note on salting: I have always heard that lentils get tough if you salt them while cooking, so you should only salt them after they are cooked. I have made this recipe many times, and usually end up forgetting that rule, so I salt the soup before it’s cooking. Honestly, I never notice the lentils being tough – at least in this recipe. Do what feels right, I guess.

Stove top directions: 1) Prep the ingredients the same as above. 2) Heat a large Dutch oven, or soup pot on medium high heat. Once the pot is hot, add 1 tablespoon of avocado oil (or other high smoke point oil). Sauté the onions for 2 to 3 minutes, or until tender. Add the broth in along with the canned tomatoes, and the remaining veggies, along with the lentils. 3) Cover and bring the pot to a boil, reduce to a simmer. Simmer covered for 20 minutes, or until the potatoes, and the lentils are fork tender. The rest is pretty much the same directions as the recipe above. You will blend 3 cups of the soup, stir it back into the soup and add the salt and pepper – taste to adjust seasoning. Then, stir in the kale and allow it to wilt a little. Serve up the soup the same as you would for the instant pot recipe above.

Note on stovetop directions: I did test the recipe on the stovetop, and it was just as easy and pretty much took the same amount of time as the instant pot version. The main difference is that you have to check the pot to make sure it’s still simmering, on occasion. I did decide to sauté the onions, because of habit – but, you can skip this step as I don’t do it in the instant pot version and it turns out fine. This is the reason for the 1 tablespoon of oil added into the recipe. I tried to keep the stove top version pretty similar – a dump-everything-in-recipe!

Slow cooker directions: NOTE: I recommend this soup in the instant pot – or on the stovetop, if you can. The slow cooker will make everything a lot more soft, whereas the instant pot allows the veggies and lentils to retain a lot more texture. Here are rough directions: Place all ingredients (except the kale, and salt and pepper) in a slow cooker. Cover and cook on high for 5 to 6 hours, or on low for 7 to 8 hours, or until the lentils and veggies are tender. Follow the remaining directions starting from step 3. Keep in mind that I did not test this recipe using a slow cooker, so this is a rough estimate of cooking time. Let me know in the comments if you make it using a slow cooker.

This recipe is inspired from Pinch of Yum’s  detox crockpot lentil soup.

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Leave a Comment Filed Under: 1 pan or 1 bowl, 30 Minutes, or Less, Dairy Free, Dinner, Easy, Egg Free, Entrées, Fall, Gluten Free, Healthy, Instant Pot, Meal Prep, Meatless, Nut-Free, Refined Sugar Free, Slow Cooker, Soups, Superfoods, Vegan, Vegetarian, Winter Tagged With: 1 pan, 30 Minutes, dairy-free, Easy, entree, Gluten Free, instant pot, refined-sugar free, soup, vegan, vegetarian

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Welcome!

Hi there, I'm Emily.
I create simple, healthy recipes that have food allergy adaptations, whenever possible. My favorite recipes to share are desserts that contain nutritious ingredients, while still tasting decadent. I believe in the power of eating wholesome, quality food. It fuels, and empowers us. At Robust Recipes you will find food that will make you feel as good as it tastes. Read More…

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