Red Lentil Soup | Instant Pot + Stove Top Recipe (2024)

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This hearty vegan creamy Red Lentil Soup recipe is not just good, it's also good for you, and very easy to make in your pressure cooker or on the stovetop. This easy Red Lentil Soup will have you making it again and again.

Red Lentil Soup | Instant Pot + Stove Top Recipe (1)

What Makes This Red Lentil Soup So Good?

  • Fast. Have the ultimate filling dinner in less than 30 minutes.
  • Easy. Made simple in your Instant Pot.
  • Vegetarian. The perfect solution for your next Meatless Monday.
  • Versatile. Add a variety of spices to change the flavor profile. I like to use anything from garam masla to Thai red curry.
  • Delicious. The perfect Indian comfort food.

What Are Red Split Lentils?

As you may or may not know, there are a lot of different kinds of lentils. They all taste and cook quite differently, so it's important to know the difference. I have a great printable you can get for free that talks about that HERE.

Red lentils are the lentils that cook the fastest. They don't need to be soaked before cooking, and so are the most popular for soups and recipes.

For more info on how to cook beans and lentils in your pressure cooker, check out my guide on How to Cook Beans in the Instant Pot!

Is Red Lentil Soup Good For You?

Lentils are high in fiber and several other vitamins and minerals. This is a vegan soup recipe, and lentils provide an excellent protein replacement for meat. Not only is this Red Lentil Soup recipe good for you, but it's also delicious and so easy to make.

Do You Need To Soak Red Lentils?

No. Unlike other pulses, lentils do not require soaking. Simply rinse and cook.

Ingredients You'll Need

How To Make Red Lentil Soup In The Instant Pot

  1. Select Browning/Saute and add the olive oil to thepressure cooking pot. When the oil is hot, add the onion,carrots, and celery. Saute for about 5 minutes until tender.
  2. Add the garlic and cook for 1 minute more. Stir in thetomatoes, vegetable broth, water, lentils, cumin, thyme,salt, and pepper. Lock the lid in place. Select High Pressureand 10 minutes cook time.
  3. When the cook time ends, turn off the pressure cooker. Let the pressure release naturally for 10 minutes andfinish with a quick pressure release.
  4. When the valve drops, carefully remove the lid. Transfer 2 cupssoup to a large bowl. Use an immersion blender to pureethe soup in the pot until smooth. (You can also use astandard blender). Stir in the reserved soup, spinach, andred wine vinegar.
  5. Select Simmer/Saute and cook for just afew minutes until the spinach wilts. Season with salt andpepper, if needed. Ladle the soup into bowls and servewith a swirl of heavy cream.

How To Make It On The Stovetop

  1. In a large pot, add in the olive oil. When the oil is hot, add the onion,carrots, and celery. Saute for about 5 minutes until tender.
  2. Add the garlic and cook for 1 minute more. Stir in thetomatoes, vegetable broth, water, lentils, cumin, thyme,salt, and pepper.
  3. Cook on simmer for 20-25 minutes.
  4. Transfer 2 cupssoup to a large bowl. Use an immersion blender to pureethe soup in the pot until smooth. (You can also use astandard blender). Stir in the reserved soup, spinach, andred wine vinegar.
  5. Heat the burner back to medium/high heat and cook for just afew minutes until the spinach wilts. Season with salt andpepper, if needed. Ladle the soup into bowls and servewith a swirl of heavy cream.

How Long Does It Last?

This Instant Pot lentil soup will last 3-5 days in an airtight container in your refrigerator after it is made.

The longer it is stored, the softer the lentils and carrots become. Luckily, the intensity of the flavor of the broth is absorbed into the lentils the longer it sits. So while the texture may be slightly different after a few days, the depth of flavor only increases.

Want More Delicious Lentil Recipes?

  • Instant Pot Lentil Soup
  • Dal Makhani Creamy Lentils
  • Instant Pot Moong Dal Soup
  • Instant Pot Barley and Lentil Pilaf
  • Beet Salad with Lentils
Red Lentil Soup | Instant Pot + Stove Top Recipe (2)

I can't wait for you to try this thick and hearty Red Lentil Soup recipe! It's such an easy lentil soup recipe, and will be a family favorite! If you love it as much as I do, please share this recipe with your friends on Facebook and Pinterest so they can try it too.

Red Lentil Soup | Instant Pot + Stove Top Recipe (3)

Red Lentil Soup

This Red Lentil Soup recipe is not just good, it's also good for you, and very easy to make in your pressure cooker or on the stove!

Prep Time: 15 minutes minutes

Cook Time: 12 minutes minutes

Total Time: 27 minutes minutes

Course: Main Courses, Soups

Cuisine: American

Keyword: red lentil soup, red lentil soup recipe

Servings: 8

Calories: 59kcal

Click on highlighted ingredients or Equipment to see exactly what I use to make this recipe

Ingredients

  • 2 tablespoons (29.57 ml) olive oil
  • 1 cup (160 g) Onion, diced
  • 1 cup (128 g) Carrots, diced
  • .5 cup (50.5 g) Celery, diced
  • 5 cloves (5 cloves) Garlic, minced
  • 2 14.5 ounces cans (6080.97 g) Canned Fire Roasted Tomatoes
  • 1 quart (0.95 l) reduced-sodium vegetable broth
  • 2 cups (500 ml) Water, Plus 1 cup water for stove top
  • 1.5 cups (270 g) Split Red Lentils, rinsed
  • 1 teaspoon (1 teaspoon) Ground Cumin
  • 1/2 teaspoon (1/2 teaspoon) Dried Thyme
  • 1 teaspoon (1 teaspoon) Kosher Salt
  • 1/2 teaspoon (1/2 teaspoon) Ground Black Pepper
  • 2 cups (60 g) baby spinach, coarsely chopped
  • 1 tablespoon (1 tablespoon) Red Wine Vinegar
  • Heavy Cream, (omit for vegan)

Instructions

FOR THE INSTANT POT

  • Select Browning/Saute and add the olive oil to thepressure cooking pot. When the oil is hot, add the onion,carrots, and celery. Saute for about 5 minutes until tender.

  • Add the garlic and cook for 1 minute more. Stir in thetomatoes, vegetable broth, water, lentils, cumin, thyme,salt, and pepper. Lock the lid in place. Select High Pressureand 10 minutes cook time.

  • When the cook time ends, turn off the pressure cooker.Let the pressure release naturally for 10 minutes andfinish with a quick pressure release.

  • When the valve drops, carefully remove the lid. Transfer 2 cupssoup to a large bowl. Use an immersion blender to pureethe soup in the pot until smooth. (You can also use astandard blender). Stir in the reserved soup, spinach, andred wine vinegar.

  • Select Simmer/Saute and cook for just afew minutes until the spinach wilts. Season with salt andpepper, if needed. Ladle the soup into bowls and servewith a swirl of heavy cream.

FOR THE STOVE

  • In a large pot, add in the olive oil. When the oil is hot, add the onion,carrots, and celery. Saute for about 5 minutes until tender.

  • Add the garlic and cook for 1 minute more. Stir in thetomatoes, vegetable broth, water, lentils, cumin, thyme,salt, and pepper.

  • Simmer for 20-25 minutes.

  • Transfer 2 cupssoup to a large bowl. Use an immersion blender to pureethe soup in the pot until smooth. (You can also use astandard blender). Stir in the reserved soup, spinach, andred wine vinegar.

  • Heat the burner back to medium/high heat and cook for just afew minutes until the spinach wilts. Season with salt andpepper, if needed. Ladle the soup into bowls and servewith a swirl of heavy cream.

  • To make this recipe vegan, omit the cream.
  • For some fun variations to this soup, add in some Garam Masala for an Indian Twist!

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Nutrition

Calories: 59kcal | Carbohydrates: 6g | Protein: 1g | Fat: 4g | Fiber: 1g | Sugar: 3g

Tried this recipe?Follow @twosleevers and Pin it!

Originally Published November 15, 2017

Don't forget to check out my other Best-selling Instant Pot Cookbooks!

Indian Instant Pot, Keto Instant Pot, Instant Pot Fast and Easy, Healthy Instant Pot & Vegetarian Instant Pot.

Red Lentil Soup | Instant Pot + Stove Top Recipe (4)

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  1. Lauren

    Could I use frozen spinach?

    • URVASHI PITRE

      Yes you could

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Red Lentil Soup | Instant Pot + Stove Top Recipe (2024)

FAQs

Do lentils need to be soaked before making soup? ›

The other good news: Lentils don't need to soak as beans do (though you do need to sort and rinse them before cooking). Different types of lentils cook in different amounts of time. Red lentils are the fastest cooking and they dissolve as they cook and make for a smooth soup.

Do you have to soak red split lentils before cooking? ›

You do not need to soak red lentils before cooking. They cook very quickly and break down easily without prior soaking. Do red lentils get mushy when cooked? Yes, red lentils are supposed to get mushy and break down into a puree-like texture when cooked.

Can you overcook lentils in soup? ›

Yes, you can overcook lentils; they will become mushy. Much depends on the type of lentil you're using. Some cook quicker and hold their shape better than others. To avoid overcooking them, always follow the cooking directions in your recipe and use the type of lentils called for in the ingredient list.

Can you overcook red lentils? ›

How long should I cook red lentils? Cook red lentils for about 6-8 minutes if you'd like them to still be a little firm and tender and for 10 minutes or longer if you prefer them to go soft and mushy.

What happens if you don't soak red lentils? ›

Soaking dried beans and lentils before cooking is not always necessary, but it can help reduce cooking time and improve their digestibility. Here's what happens if you don't soak them: 1> Longer Cooking Time: Beans and lentils that haven't been soaked will generally take longer to cook compared to soaked ones.

Do red lentils need to be cooked before adding to soup? ›

Depends if they are red or green lentils. The red ones can be bunged straight in. I just rinse them and add to the soup, the packet says 30 mins cooking so it should be okay.

How long should I boil red lentils? ›

Bring to a boil, cover tightly, reduce heat and simmer until they are tender. For whole lentils, cook time is typically 15-20 minutes. For split red lentils, cook time is typically only about 5-7 minutes. Be sure to season with salt after cooking – if salt is added before, the lentils will become tough.

How to tell when red lentils are done? ›

Red Lentils

They become soft and tender after simmering for just 15 minutes! As they cook, they melt and dissolve, creating a delicious creamy texture. Consequently, they're a great choice for adding to thick curries, stews, or an Indian dal.

Why won't my red lentils soften? ›

Acidic ingredients can prevent lentils from fully cooking. While this isn't as big a problem for red lentils as it is for other varieties, it can happen, particularly with whole red lentils. Wait until your red lentils are done cooking before you add any acidic ingredients.

What color lentils are best for soup? ›

I recommend using green or French green lentils because they hold their shape in the soup, adding satisfying texture. Brown lentils are also a fine option.

Why did my lentil soup turn black? ›

the color change you've observed is from oxidation. If you want to prevent this, lay some plastic wrap over the surface of your lentils to prevent air from getting to them, or add some acid, like lime juice, to the recipe.

How do you thicken red lentil soup? ›

6 Ways to Thicken Soups or Stews
  1. Puree the vegetables. The most straightforward way to thicken soup is to puree the vegetables. ...
  2. Mash beans, lentils, rice, or bread. ...
  3. Add some dairy. ...
  4. Add an egg. ...
  5. Whisk in a bit of flour or starch. ...
  6. Blend in some silken tofu.
Nov 15, 2021

What makes lentils taste better? ›

Add some salt, maybe a bay leaf, and maybe a clove of garlic (peeled but left whole). Some recipes will warn you to never add salt to beans or lentils while they're cooking (they say it'll prevent them from cooking through), but it's simply not true! Salt brings out their best.

When to add salt to lentils? ›

Follow this tip: Wait until the lentils are done cooking to add salt or acidic ingredients like lemon juice or vinegar. Stir them into the lentils while still warm and they'll absorb the flavor perfectly.

What is the difference between lentils and red lentils? ›

Red and green lentils are very different and don't make good substitutes for each other. Green lentils have thick skins and hold their shape when cooked. Red lentils are hulled with the skins removed and tend to become soft and mushy.

What happens if you don't soak lentils? ›

Well, as healthy as they are, lentils are also known to cause some tummy issues like bloating and flatulence to be more specific. The presence of anti-nutrient compounds in lentils is the culprit behind gas or flatulence. The good news is that anti-nutrient in lentils can be easily deactivated by soaking them in water.

Is it OK not to soak lentils? ›

Lentils and peas are softer than dried beans. They'll cook within 5 to 20 minutes without any soaking time. Nearly all traditional cookbooks tell you to soak dried beans before cooking them.

Can you skip soaking lentils? ›

On the importance of soaking lentils, chef Kunal laid down the following facts for his followers: Fact 1: Soaking lentils improves digestion and nutrition absorption as it can neutralise lectins and phytates present that may cause gas and bloating. Fact 2: Soaking lentils also reduces its cooking time.

Why is my lentil soup not thick? ›

Cook It Longer

Sometimes soup just needs to simmer longer to reach the perfect consistency. Check to see if the vegetables are tender, and then taste the broth. If the soup tastes a bit watery, give it more time.

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