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Looking for a meal that’s simple, nourishing, and totally satisfying? This Red Lentil Soup is the kind of recipe that builds confidence in the kitchen and comfort in your bowl. It’s made with pantry staples, minimal chopping, and big flavor—so whether you’re new to plant-based cooking or just craving something hearty and wholesome, this soup has your back.

bowl of red lentil soup ron table with gold spoons.

Why You’ll Love It

Okay, hear me out—you may not be totally sold on lentils, but this red lentil soup might just change your mind. It’s cozy, flavorful, and totally plant-based (you won’t miss the meat, promise). Plus, it checks all the boxes: easy, healthy, and super satisfying. Here’s why I think you should give it a try:

  1. It’s quick and so simple to make: Red lentils cook faster than most legumes—no soaking required and ready in about 30 minutes. Perfect for busy weeknights or when you want a hearty meal without the wait.
  2. Packed with plant-based protein: This soup is naturally rich in protein and fiber, making it a filling, nourishing option for anyone looking to eat more plants and feel satisfied.
  3. Comfort food with clean ingredients: It delivers cozy, comfort food vibes without relying on heavy creams or processed ingredients—just simple, wholesome staples that taste amazing and fuel your body.

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labeled ingredients to make red lentil soup.

Red Lentil Soup Ingredients

While this spiced lentil soup has a long-ish ingredient list, they all work together to produce a tasty result. Trust me, you won’t want to miss out on these rawkin’ fresh vegetables and vibrant spices.

  • Coconut Oil: My favorite healthy fat to help sauté a few of the ingredients.
  • Yellow Onions: My go-to onion for its buttery, mild flavor.
  • Celery Stalks: An often hidden, yet necessary ingredient to make any soup a success. Pro tip: use the leafy ends of the celery in the soup if you can! They bring even more flavor.
  • Garlic: I always mince fresh garlic for the most nutrition. Garlic is a powerful health booster.
  • Fresh Ginger Root: This anti-inflammatory root packs a powerful punch, so a little goes a long way!
  • Spices: I use a blend of cumin, turmeric and red pepper flakes to add warmth, earthiness and just a bit of heat.
  • Fire-Roasted Tomatoes: If you like depth that roasted brings, then these are a no-brainer! You can use regular diced tomatoes, too.
  • Vegetable Stock: Homemade vegetable stock or store-bought, look for a one with real ingredients.
  • Red Lentils: These have a less-earthy flavor than green lentils do. Red lentils also get softer during cooking, which is what I wanted for this soup. Look for dried lentils next to dried beans, or in the soup aisle.
  • Spinach: I always add leafy green vegetables— our health is our wealth, right?

How to Make Red Lentil Soup

This soup does have a few more components than some, yet it’s 100% worth it at first bite. Here’s how I make my Red Lentil Soup:

Sautéing onion and celery in a pot

Sauté the onion and celery in coconut oil (or the oil of your choice). This releases the flavors and adds a lovely warmth to your final product.

    a persons hand adding garlic and ginger to sautéing onion and celery

    Sauté the garlic and ginger, stirring constantly so the garlic doesn’t burn (this can happen quickly!). Use fresh minced garlic for the best results.

    fire roasted tomatoes in a pot

    Add spices and tomatoes, namely turmeric, cumin and fire-roasted tomatoes. Stir quickly to combine so that the spices don’t stick to the bottom.

    pouring vegetable stock into a pot with red lentils

    Add vegetable stock and lentils and give the soup a few stirs to cover the lentils. Now all you need to do is allow the soup to simmer until the lentils are soft (no crunch!).

    Adding fresh spinach into a pot of soup

    Add spinach and lemon juice once the soup is ready. Lemon juice is a game-changer so don’t omit!

    Spoon in a bowl of hearty red lentil soup.

    Feel free to taste the spiced lentil soup and add in a bit of salt and pepper, or just let people add it to their own bowls after serving.

    Red Lentil Soup Tips

    • My number one tip for the best-tasting soup all the time is this sauté the aromatic ingredients. Whether you are slow-cooking your soup or just simmering on the stove top, taking a few minutes to sauté a few of the veggies first opens them up nicely. I want my soup to be as flavorful as possible and this is the way to do it.
    • My second tip is to make extra! Whether you’re feeding one person or a family of five, make sure to have a few extra servings when you’re finished. This way you can freeze or refrigerate them to enjoy later in the week for quick lunches or dinners. No need to chop all that produce more than once.
    • Finally, use what you have on hand. Soup often contains several ingredients, yet they can easily be swapped for something that’s easier for you to find or less expensive to purchase in your town. Living in Florida gives me access to a wide variety of produce that I know isn’t available all over the United States. If you ever need help with a swap, just drop a comment below and let me help!
    Spoon in a bowl of hearty red lentil soup.

    More Soup Recipes

    If you know me, you know I love soup. It’s a great way to pack in lots of different veggies at once. It also fills the whole house with amazing smells. Here are a few more vegetarian soup recipes I’ve created that have been hits on my blog:

    Don’t forget to rate + review this Red Lentil Soup recipe once you’ve tried it. I can’t wait for your feedback!

    Bowl of red lentil soup topped with diced avocado.
    4.77 (255 votes)

    Red Lentil Soup

    This red lentil soup is hearty, comforting, and packed with plant-based protein. Red lentils simmer with fire-roasted vegetables and warming spices until tender, then break down into a thick, satisfying soup that’s perfect for easy weeknight dinners or make-ahead lunches.
    Prep: 15 minutes
    Cook: 30 minutes
    Total: 45 minutes
    Serves: 4
    Author: Jen Hansard

    Ingredients 

    Toppings

    • ¼ cup cilantro
    • ½ avocado diced
    • 1 tsp red pepper flakes
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    Instructions 

    • Heat the coconut oil in a large pot over medium-high heat. Add the onion and celery. Sauté for 5 minutes, or until the onion is translucent.
    • Add the garlic and ginger and sauté for 1 minute, stirring constantly.
    • Add the cumin and turmeric. Stir for 30 seconds, or until fragrant. Add the tomatoes and stir again.
    • Add the vegetable stock and lentils. Lower heat to a simmer and partially cover the pan. Cook for 25-30 minutes or until the lentils are soft.
    • Stir in the spinach and lemon juice. Add salt and pepper.
    • Top with cilantro avocado and red pepper flakes for serving.

    Helpful Tools

    Notes

    • Crockpot: Put everything in the slow cooker and cook on low 6 hours or on high 2 1/2  hours. Check earlier in case lentils cook extra fast— you don’t want them too mushy.
    • Swap ground turmeric with fresh turmeric root for even more anti-inflammatory benefits.
    • Swap fresh ginger root with 1/8 tsp ground ginger, though this will eliminate some of the nutrition found in fresh ginger.
    • Omit the red pepper flakes and use regular diced tomatoes for a less spicy result.

    Nutrition

    Serving: 2 cups | Calories: 407 kcal | Carbohydrates: 65 g | Protein: 21 g | Fat: 9 g | Saturated Fat: 4 g | Polyunsaturated Fat: 1 g | Monounsaturated Fat: 3 g | Sodium: 1050 mg | Potassium: 1192 mg | Fiber: 25 g | Sugar: 13 g | Vitamin A: 2429 IU | Vitamin C: 25 mg | Calcium: 137 mg | Iron: 8 mg

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    Common Questions

    Is red lentil soup good for you?

    Mine is! I use as many fresh, whole food ingredients as I can so that this soup nourishes and helps boost your immune system during cooler weather.

    Do I need to soak lentils before adding them to soup?

    Not in my soup. I do rinse my lentils before adding them to the soup pot, but they will soften nicely inside the simmering stock without the need to soak beforehand.

    Can I use other types of lentils instead?

    You can, but the texture will change. Brown or green lentils take longer to cook and hold their shape, so the soup won’t be as creamy. Stick with red lentils for that smooth, hearty consistency.

    How long does red lentil soup last in the fridge?

    It will keep for up to 4–5 days in an airtight container in the fridge. It also freezes well—just let it cool completely, portion into freezer-safe containers, and reheat as needed.

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    4.77 from 255 votes (1 rating without comment)

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    Rating




    Comments

    1. 5 stars
      We really enjoyed this one! Thank you!
      Would love measurements for diced veggies.

    2. 5 stars
      I really like this soup! I used brown lentils instead of the red ones because I already had some. It wasn’t spicy enough for me next time I might add some cayenne pepper. But, all in all it was very tasty and I will definitely make it again!

    3. 5 stars
      Delicious! A definite recipe to keep for future use. I did swap out the tomatoes for roasted sweet red peppers due to tomato allergy.

    4. 4 stars
      These spices make the kitchen smell good. Everyone in the house noticed and approved.

    5. 5 stars
      Tasty! I’d add a little more ginger, but as it stands, complex flavor with cumin, turmeric and ginger plus red pepper flakes and fresh cilantro.

    6. 5 stars
      Delicious soup. We both loved it. It is hearty and filling and the spicing is just right. I like that it made enough soup for three days.

    7. 4 stars
      I thought it was good , a little basic on flavors. Cut the quantity in half for two and it was still a lot of food, will be good for leftovers.

    8. 5 stars
      What a yummy lentil soup! The ginger adds a nice touch and this might be my new favorite lentil stew!

    9. 4 stars
      This soup is very flavorful! Very, very delicious, except for the cilantro. The best bites were those without the cilantro. I keep trying to see if I can get over my disgust of cilantro but with every encounter, I’m like, nope. For that reason, I had to take away a star. Though, really it’d be half a stsr, but that wasn’t an option. Gonna make this soup again, and maybe sub parsley instead next time.

    10. 4 stars
      This was great! Went perfect with our Mexican taco night. Never had lentils before and can’t wait to make again.

    11. 5 stars
      Hearty Red Lentil Soup is delicious, I’ll definitely make again. The flavors of this soup are amazing .

    12. 5 stars
      This one’s a keeper. We loved this soup. Flavorful, but not too spicy. Nice consistency. I did use only 3/4 of a very large onion and added a cup or so of water near the end of the cooking time since the lentils soaked up quite a bit of the broth.