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    You are here: Home / Soups / Classic Lentil Soup

    LAST UPDATED: March 22, 2020 • FIRST PUBLISHED: March 9, 2020

    Classic Lentil Soup

    Jump to Recipe Print Recipe
    Table Set with a Bowl of Lentil Soup, Blue Pot and Water Glass

    This lentil soup is packed with savory flavor and guaranteed to warm you up! Hearty enough to make a meal of and easy enough for a weeknight.

    Table Set with a Bowl of Lentil Soup, Blue Pot and Water Glass

    This blog certainly has no shortage of lentil soup recipes! I've shared many versions with lots of twists over the years, from Mediterranean lentil soup to curried lentil soup to taco-inspired lentil soup.

    But every once in a while I crave classic lentil soup. You know what I mean? The simple but really savory stuff. A big bowl of that is exactly what I need when it's cold outside!

    Brown Lentils

    Blue Pot of Lentil Soup with Wooden Spoon

    This recipe, unlike some of my other lentils soup recipes, uses plain old brown lentils. Brown lentils are quite versatile and easy to obtain. They also go great with savory seasonings.

    How can you identify brown lentils? Usually if you see bags of lentils at the store with no indication of what type they are, they're brown lentils. Brown lentils are on the larger side (as far as lentil sizes go) and have a brownish-greyish color.

    With that in mind, you can substitute most other varieties of lentils in this recipe. You just might need to adjust the cook-time a bit, as some types (like red) cook faster, while others (like green) take longer to soften up.

    How to Make Lentil Soup

    Collage Showing Steps for Making Lentil Soup: Sweat Veggies, Add Broth and Lentils, Simmer and Add Tomatoes

    Start by heating up some olive oil in a large pot. Once the oil is hot, add some onion, carrots, and celery. Sweat the veggies for a few minutes to get them to soften up. Now add some garlic and cook it for just about a minute, until it becomes very fragrant.

    Now add broth, lentils and some dried herbs: rosemary, thyme, and a bay leaf. Raise the heat, bring the liquid to a boil, and let everything simmer until the lentils are almost fully cooked. At this point you can stir in some diced tomatoes. Now let the soup continue to simmer until it's done!

    Season the soup with salt (if needed) and add a splash of red wine vinegar before serving.

    Pot of Lentil Soup with Tea Towel in the Background

    Grab a bowl!

    Lentil Soup FAQ & Tips

    • Is this soup gluten-free? It is!
    • Leftovers of this soup keep very well. Just store it in a sealed container in the fridge for up to 3 days. It may thicken up during storage — you can thin it with some water during reheating if needed.
    • My lentils have been simmering for a long time but aren't softening. What's the deal? First, did you add the tomatoes or vinegar too early? Acidic ingredients like these will prevent lentils from softening, which is why they both go in towards the end. The other common culprit is old lentils that have sat in your pantry (or on the store shelf) for a long time.
    • Can I use any varieties of lentils other than brown? I think just about any type of lentil would work, but I haven't tested other varieties, so no promises! Also keep in mind that the soup may need more or less cook time depending on what type of lentils you use.

    Bowl of Lentil Soup with Water Glass and Napkin in the Background

    Like this recipe? If so, be sure to follow me on Facebook, Pinterest or Instagram, or subscribe to my newsletter. And please stop back and leave me a review and rating below if you make it!

    Table Set with a Bowl of Lentil Soup, Blue Pot and Water Glass
    5 from 12 votes
    Print

    Classic Lentil Soup

    This lentil soup is packed with savory flavor and guaranteed to warm you up! Hearty enough to make a meal of and easy enough for a weeknight.

    Course Soup
    Cuisine American
    Prep Time 10 minutes
    Cook Time 40 minutes
    Total Time 50 minutes
    Servings 6
    Calories 314 kcal
    Author Alissa Saenz

    Ingredients

    • 2 tablespoons olive oil
    • 1 medium onion, diced
    • 2 medium celery stalks, diced
    • 2 medium carrots, diced
    • 4 garlic cloves, minced
    • 6 cups low sodium vegetable broth
    • 2 cups dried brown lentils
    • 1 teaspoon dried rosemary (or 1 tablespoon fresh)
    • 2 teaspoons dried thyme leaves (or 2 tablespoons fresh)
    • ½ teaspoon black pepper
    • 1 bay leaf
    • 1 (14 ounce or 400 ml) can diced tomatoes
    • 2 teaspoons red wine vinegar
    • Salt to taste
    US Customary - Metric

    Instructions

    1. Coat the bottom of a large pot with the oil and place it over medium heat.

    2. Once the oil is hot, add the onion, carrots and celery. Sweat the veggies for about 5 minutes, stirring often, until they begin to soften up.

    3. Add the garlic and cook it with the veggies for about 1 minute, until very fragrant.

    4. Stir in the broth, lentils, rosemary, thyme, black pepper, and bay leaf. Raise the heat and bring the liquid to a boil.

    5. Lower the heat and allow the soup to simmer for about 25 minutes, stirring occasionally, until the lentils are almost fully cooked but just a bit on the firm side. You can add water while the soup simmers if it becomes too dry.

    6. Stir in the tomatoes and let the soup continue simmering for 5 to 10 minutes, until the lentils are tender.

    7. Remove the pot from heat and remove the bay leaf. Stir in the vinegar and season the soup with salt to taste.

    8. Ladle into bowls and serve.

    Nutrition Facts
    Classic Lentil Soup
    Amount Per Serving (1.5 cups)
    Calories 314 Calories from Fat 50
    % Daily Value*
    Fat 5.6g9%
    Saturated Fat 0.8g4%
    Sodium 423mg18%
    Potassium 878mg25%
    Carbohydrates 49.8g17%
    Fiber 21.6g86%
    Sugar 5.7g6%
    Calcium 5mg1%
    Iron 31mg172%
    * Percent Daily Values are based on a 2000 calorie diet.
    « Vegan Naan
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    About Alissa Saenz

    Hi, I'm Alissa! I'm a former attorney turned professional food blogger. I love creating vegan recipes with bold flavors! You can read more about me here.

    I'd love to connect with you on Facebook, Instagram, or Pinterest.

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    Reader Interactions

    Comments

    1. Christian says

      March 21, 2020 at 5:41 pm

      5 stars
      Hi Alissa!
      Made this tonight, and it was wonderful! We love lentil soups, and this is a very good new variation to add to our repertoire.
      Minor detail on the recipe: I think step 4 is missing the introduction of the bay leaf, which magically appears in step 7. :-)
      Thank you once again or all your outstanding recipes!

      Reply
      • Alissa Saenz says

        March 22, 2020 at 3:27 pm

        I'm so glad you enjoyed it! Looks like I did forget to add the bay leaf - thanks for catching that! I just corrected it. :)

        Reply
        • April Tenney says

          February 28, 2021 at 7:56 pm

          5 stars
          I was not feeling well and decided I wanted to make some lent soup just for myself! I came up your recipe prepared it which was so easy and is insanely delicious! Thank-you for sharing!

          Reply
    2. Lori says

      January 11, 2021 at 8:37 pm

      Made this tonight. Perfect for a cold night! Delicious, will make again ❤️

      Reply
    3. Laura says

      January 15, 2021 at 6:41 am

      I made this last night and it was so good!!

      Reply
    4. Samantha says

      September 23, 2021 at 2:35 pm

      5 stars
      This was delicious! My fiancé who isn’t a big soup fan..(unless it’s homemade and seasoned a lot) loved this! Tastes like chicken noodle soup minus the chicken-noodle ha! Thank you so much!

      Reply
    5. Amanda says

      January 15, 2022 at 4:19 pm

      5 stars
      I made this today on a cold, snowy day and OMG!!! It is absolutely amazing! My daughter who is 16 is a vegetarian and she is raving about it! I actually sprinkled a bit of Tajin and boom!!!

      Reply
    6. Eva says

      May 20, 2022 at 11:04 am

      5 stars
      Hi, I am making this just now and it already smells wonderful!

      Reply

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    Hi, I'm Alissa! I'm a former attorney turned professional food blogger. I love creating vegan recipes with bold flavors!

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