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Home » Tomato Lentil Soup

Tomato Lentil Soup

January 31, 2022 by Debi 17 Comments

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Tomato Lentil Soup is a perfectly comforting and cozy vegan soup that’s full of healthy good for you ingredients. It’s easy to make, and will help keep you warm and happy all winter long!

There’s nothing quite as comforting as a pot of soup simmering away on the stove top when it’s cold outside.

I first published this recipe in 2016, but it was time for an update, with new pictures, information, and an update to the recipe, all for a better user experience.

A bowl of tomato lentil soup with a spoon, some fresh herbs, and a blue striped towel.

We appreciate your support

Please let me know if you have any questions about this recipe. I read all the comments myself and I try to help as soon as I can. I have readers from all levels of comfort and experience in the kitchen on my site, and I’ve tried to answer some of your questions already in the post. But if I’ve missed anything, please feel free to leave a comment and ask.

a bowl of tomato soup with lots of veggies garnished with herbs next to a blue striped towel.

Flavorful tomato and lentil soup inspiration

This soup is filled with flavor! From the earthy lentils to the rich flavorful tomatoes, throw in some spices and herbs, and you have yourself a wonderful bowl of hearty good for soup.

I made this soup as a way to have the traditional tomato soup that everyone loves so much in the winter, but with some added protein and fiber from the lentils.

Sometimes tomato soup can be a bit light, so the lentils add nice body and heartiness, making this more of a main dish soup. And if you love tomato soup, you need to check out my Shrimp Tomato Soup that’s great for weeknight dinners!

Of course, you could still serve it with a nice grilled cheese sandwich! You might want to try my famous Three Cheese Pesto Avocado Grilled Cheese along with this soup!

Vegan protein

Lentils are hearty and good for you, and full of flavor.

I think that lentil soup was one of the first soups that I ate when I first became vegetarian.

Not only are lentils delicious, they’re low-fat, high-protein, high-fiber, nutritious, and ridiculously easy to cook. 

Crushed tomatoes

My lentil soup is made with crushed tomatoes so that there aren’t any large chunks of tomato in there.

When you walk through the canned tomato section of the grocery store, you’ll see an amazing variety of canned tomatoes, from whole tomatoes, stewed, fire-roasted, puree, paste, diced (even petite dice) and crushed.

Crushed tomatoes are small pieces of tomato with a fine texture mixed in tomato puree; they’re smaller than diced tomatoes, and yet not a smooth and blended tomato like a tomato puree.

Because of their small size, they have a nice thickness to them, one that works really well in soup.

Diced tomatoes can be used in place of crushed tomatoes in this recipe, but you’ll need to increase the cooking time to break down the chunks of tomato. They may not become as smooth as crushed tomatoes even with the extra cooking.

Make ahead soup

Can this be made ahead?


This recipe makes a nice big pot of soup that you can enjoy for many days.
 
And the leftovers are just as delicious, if not yummier than when it’s first cooked.
 
Allow the leftovers to cool completely, and package them up in an air tight container, and keep them in the fridge for up to about 5 days. Always give your leftovers the sniff test before eating to make sure they’re still good.

Can I freeze this?


You can also freeze this soup for longer storage.
 
Again, allow the soup to cool. And package it up into single portions and pop in the freezer for 3-6 months.

Great main dish lentils

Lentils are one of my favorite legumes and I adore them in so many recipes.

Looking for a tomato free lentil soup?  This easy to make vegan lentil soup is so good.

Lentils with Wine- Glazed Winter Vegetables
Spicy Lentil and Sweet Potato Salad with Chipotle Vinaigrette Dressing
Sausage, Broccoli, and Roasted Lentils
Slow Cooker Vegetarian Lentil Taco Salad
Lentil and Potato Pot Pies with Rosemary Biscuit Crust
Lentil Chili with Green Onions
Orange-Shallot Tofu with Avocado Served on a Bed of Roasted Lentils

So much goodness

Is lentil soup good for weight loss?

If weight loss is your goal, you definitely want to have high protein and low-calorie meals, and lentil soup is a great way to do that. The added liquid from the soup will help keep you hydrated and full.

Lentils are rich in proteins and other nutrients, making them a great food to include in your weight loss diet.

How do you thicken lentil soup


The good news is that this soup is nice and thick. First, we start with the crushed tomatoes, which have a nice thickness to them naturally.
 
Then, we blend some of the soup to give it added body.
 
You can also stir in some sour cream or plain Greek yogurt to thicken it and add some creaminess.
Want it even thicker? Add a tablespoon of tomato paste to the soup.

Do lentils need to be soaked before making soup?


Lentils so not need to be soaked before cooking like dried beans do.
 
You’ll want to rinse the lentils under cool running tap water in a strainer, and be sure to sort through the dried lentils, picking out any stones or shriveled lentils.

What happens if you don’t wash lentils?

Washing the lentils removes the dirt that may be on them. Washing also removes a small amount of starch from the lentils, and it’s that starch which may cause some of the gas and bloating that people experience from eating lentils.

So, washing may help to make them easier to digest.

What Does Tomato Lentil Soup Taste Like?

This hearty and comforting soup has a great chili-like flavor from the cumin, with a nice meaty earthiness from the lentils in a great tangy tomato broth.

How to Make the Best Tomato Lentil Soup

The recipe calls for vegetables that are available year-round and are easy to find in any grocery store. And it’s made with affordable pantry ingredients.

Be sure to scroll down for the printable recipe card with all the instructions and full ingredient amounts.

Make sure to get the best ingredients

long skinny carrots with their tops taken off
These are the long skinny carrots like for cooking. My store takes the tops off for me too.

I highly recommend buying the long skinny carrots with the tops still on them. They are sweeter and less fibrous than the thick woody ones.

how to make soup cooking vegetables and adding broth.

Heat the oil in a large pot, and add the onion and carrot. Cook, about 5 minutes then add in the spices, and cook for another 30 seconds or so.

What broth to use?

Use your favorite broth of choice for this recipe. I’m a big believer in using the flavors that already taste good to you and your family.

For the most part, any broth is exchangeable in any recipe. If you really love your homemade chicken broth, by all means, use that. The soup will no longer be vegetarian though.

You’ll love the flavors and healthfulness of using homemade vegetable broth.

Add the crushed tomatoes, lentils, broth, water, and red pepper flakes.

This nutritious soup is a great meal. Lentils are rich in protein, fiber, iron and folate.

What kind of lentils should I use?

Lentils can be packaged in a variety of ways. For instance, the packages of lentils that I buy just say, “lentils”. They don’t even say “brown” or “green” lentils.
 
Look inside the bag, and you should see a brownish small pebble looking nugget.
 
For this recipe, you don’t want to get red or yellow lentils. Those ones break down a lot when they’re cooked, and are usually used in stews like red lentil and artichoke stew and dal.

how to make soup, cooked soup and in a blender.

Bring the soup to a boil, lower heat, and simmer about 30 minutes or until the lentils are tender.

Blend 2 cups of the cooked soup in a blender. And pour it back into the soup to thicken the soup.

If you prefer, you can use immersion bender to blend some of the soup. Make sure to leave some chunks of veggies in there.

Add salt and pepper and taste to see if you want more seasoning.

Want more veggies in it? Add some chopped greens to the soup like kale, spinach, or swiss chard.

What goes well with lentil soup?

Green salads like this spring salad go great with soup. Or, a simple lettuce salad dressed with Mom’s Salad Dressing would be a welcome addition.
 
Cornbread is a great side dish.
 
Roasted veggies like Air Fryer Green Beans and roasted beets are great sides.
 
And, a nice loaf of homemade bread like no knead bread and garlic tomato bread is always welcome.

a spoonfull of soup in front of the bowl of soup.

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please come back & leave a comment below letting us know how it goes.
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looking down into a bowl of tomato lentil soup garnished with chopped chives, title on top.
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Recipe

square crop of a bowl of soup with fresh herbs and a towel next to it.

Tomato Lentil Soup

Debi
Tomato Lentil Soup is a perfectly comforting and cozy vegan soup that's full of healthy good for you ingredients. It's easy to make, and will help keep you warm and happy all winter long!
5 from 17 votes
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Prep Time 20 minutes mins
Cook Time 40 minutes mins
Total Time 1 hour hr
Course Soup
Cuisine American
Servings 8 servings
Calories 158 kcal

Ingredients
  

  • 3 tablespoons olive oil
  • 1 large yellow onion chopped
  • 4 carrots peeled and chopped
  • 2 teaspoons ground cumin
  • 1 teaspoon dried thyme
  • ½ teaspoon garlic powder
  • 28 ounce can of crushed tomatoes
  • 1 cup uncooked brown lentils picked over and rinsed
  • 4 cups vegetable broth
  • 2 cups water
  • Pinch red pepper flakes
  • 1 teaspoon salt
  • Freshly ground black pepper

Instructions
 

  • Heat oil in a large pot over medium heat. Once the oil is hot, add the chopped onion and carrot, and cook, stirring often, until the onion has softened, about 5 minutes. Add the cumin, thyme, and garlic powder. Cook until fragrant, about 30 seconds.
  • Add the canned tomatoes, lentils, broth, water, and red pepper flakes to the pot, and stir to combine.
  • Covert the pot, and increase the heat, and bring the mixture to a boil, then reduce heat to low, and simmer, uncovered, for 30 minutes, or until the lentils are tender but still hold their shape.
  • Carefully pour 2 cups of soup to the bowl of a blender, and puree until smooth. Pour the blended soup back into the pot, add salt and pepper ,and stir to combine. Taste for seasoning, adding more salt and pepper as desired. Garnish with fresh thyme, if desired.

Nutrition

Calories: 158kcalCarbohydrates: 21gProtein: 7gFat: 6gSaturated Fat: 1gSodium: 788mgPotassium: 356mgFiber: 9gSugar: 4gVitamin A: 5361IUVitamin C: 4mgCalcium: 35mgIron: 2mg

Nutritional information is based on third-party calculations, and should be considered estimates. Actual nutritional content will vary based on brands used, measuring methods, portion sizes, and more.

Keyword lentil, tomato
Tried this recipe?Mention @LifeCurrents or tag #LifeCurrents!

a bowl of soup garnished with fresh herbs
One of the original photos from when I published this recipe in 2016
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Filed Under: Soups & Stews Tagged With: carrots, Cooking, Food, gluten-free, lentils, meatless, Meatless Monday, onions, recipe, soup, tomato, vegan, vegetarian

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about debi

ABOUT DEBI

Hello! I’m Debi, the girl behind Life Currents where I write about mainly healthy vegetarian dishes. My husband eats meat, so occasionally I share some of his dishes as well. And, I’ll share tasty treats and projects that we do. Read more...

Previous Post: « Lentils with Winter Vegetables
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Reader Interactions

Comments

  1. dfeuerbornhotmailcom

    September 23, 2016 at 9:00 am

    5 stars
    Tomato Lentil Soup is one of the most awesome soup that I have ever made. I am looking forward to fixing this dish again soon.

  2. Dan

    September 23, 2016 at 9:08 am

    5 stars
    So tasty. And it’s healthy. The tomato & lentils is a nice combo, especially with the shot of cumin & pepper flakes Thanks. Everyone in my family loved it.

  3. Amanda

    September 23, 2016 at 10:04 am

    5 stars
    This is such a great soup for a cool day. I love lentils and enjoy trying different recipes so I had to try this because it’s unusual. So good and super easy to make.

  4. Lisa

    September 23, 2016 at 10:09 am

    5 stars
    Lentils are one of my favorite legumes and I adore them in soup! This is fabulous! The tomatoes and lentils are a perfect combination.

  5. Julie

    September 23, 2016 at 11:16 am

    5 stars
    Super delicious! The weather is bad so we’re in the mood to eat soup. 🙂 Thanks for the delicious recipe.

  6. Becky

    September 25, 2016 at 10:53 am

    5 stars
    I love lentils, too. So full of nutrition. What a lovely soup and I’m so glad I tried it. I added some spinach leaves and some potatoes as well.

  7. April

    September 25, 2016 at 11:02 am

    5 stars
    I love tomato soup, Debi, but sometimes it can be a little light – so I really like how you have included the lentils. This soup is absolutely delicious – real comfort food and good for you too.

  8. Emma

    September 25, 2016 at 11:33 am

    I LOVE lentils!!! lentils so much. Great ideas adding them to a tomato soup. Definitely adds richness and depth.

  9. Jen

    February 7, 2023 at 6:17 pm

    5 stars
    Delicious! Actually made it in my instant pot for 20 mins, quick release, and used am immersion blender.

  10. Janelle

    April 24, 2023 at 2:28 pm

    5 stars
    This was so good. My husband and I ate it for dinner last night and both agreed it was a winner!

  11. Lynn

    April 25, 2023 at 5:28 am

    5 stars
    Made this for dinner and it was delicious. Leftovers finished for lunch the next two days. I’m planning on making it again next week, just so I can have it for lunch! Delicious. And thanks for the carrot tip! I didn’t know that!

  12. Nikki

    April 27, 2023 at 5:41 am

    5 stars
    This is a tasty and healthy bowl of comfort! We loved it. And it made leftovers for us!

  13. Mindy

    April 27, 2023 at 11:41 am

    5 stars
    Such a yummy recipe! Great flavors and I love biting into chunks of tomatoes and carrots.

  14. Michaela Kenkel

    April 28, 2023 at 1:40 pm

    5 stars
    Tomato soup is a favorite of mine and the lentil addition was brilliant! My family all loved this!

  15. Cindy via Pinterest

    September 18, 2024 at 5:51 am

    5 stars
    Really good. I used garden tomatoes.

  16. Gina via Pinterest

    October 16, 2024 at 12:46 pm

    5 stars
    Very delicious. Going to make again tomorrow

  17. andrew Allhands

    March 6, 2025 at 9:31 am

    5 stars
    This is an excellent soup recipe,I will make it often

5 from 17 votes (1 rating without comment)

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Hi! I’m Debi, the girl behind Life Currents, where I write about mainly healthy vegetarian dishes with some great desserts and other goodies mixed in! Read More >>>

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