Protein-Rich Gut-Healthy Red Lentil Soup

Posted on December 17, 2025

By: Amelie Grace

Bowl of protein-rich gut-healthy red lentil soup garnished with herbs

As you stroll through the bustling aisles of a local market, the vibrant colors of produce catch your eye—the earthy reds of tomatoes, the greens of fresh herbs. Among them, the humble red lentil quietly boasts a powerful nutrient profile. Did you know that a single cup of cooked split red lentils packs about 18 grams of protein? That’s not just filling; that’s a real powerhouse for your next meal. This Gut-Healthy Red Lentil Soup is the perfect blend of comfort and nutrition, with a fragrant warmth that will wrap around you like a cozy sweater.

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Gut-Healthy Red Lentil Soup


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  • Author: betty-m
  • Total Time: 45 minutes
  • Yield: 4 servings 1x
  • Diet: Vegan

Description

A comforting and nutritious red lentil soup rich in fiber and protein, perfect for gut health.


Ingredients

Scale
  • 1 cup split red lentils
  • 45 cups water
  • 2 bay leaves
  • 3 tablespoons sesame oil (or ghee/extra virgin olive oil)
  • 1 teaspoon cumin seeds
  • 1 teaspoon fennel seeds
  • 1/2 teaspoon mustard seeds (black or yellow)
  • 1 medium onion, finely chopped
  • 12 teaspoons grated or minced garlic (about 3 garlic cloves)
  • 2 teaspoons grated ginger
  • 1 teaspoon garam masala
  • 1 teaspoon turmeric powder
  • 1 teaspoon ground coriander
  • 34 dry curry leaves (optional)
  • Pinch of cayenne pepper
  • Salt and pepper, to taste
  • 2 tablespoons miso paste (opt for high-quality, like Japanese Hatcho Miso)
  • Fresh coriander (cilantro), chopped
  • Fresh lime or lemon juice

Instructions

  1. Wash the split red lentils with cold water until the water runs clear.
  2. Combine the cleaned lentils, 4-5 cups of water, and bay leaves in a pressure cooker.
  3. Cook under high pressure for 10 minutes. Once done, allow the pressure to release naturally, and remove the bay leaves.
  4. While the lentils are cooking, heat sesame oil in a saucepan over medium to high heat.
  5. Add the cumin, fennel, and mustard seeds; let them temper for about 30 seconds until fragrant.
  6. Stir in the chopped onion and sauté until translucent, about 3 minutes.
  7. Add the garlic and ginger, cooking briefly until fragrant (about 1 minute); be careful not to let them brown.
  8. Add garam masala, turmeric, coriander, cayenne, and season with salt and pepper. Continue on low-medium heat for about 5 minutes, stirring occasionally.
  9. Pour the spice mixture into the cooked lentils. Add some of the lentil water back into the saucepan to catch all the delicious remnants, then return it to the lentil pot.
  10. Cook together on the stovetop for an additional 5 minutes to meld the flavors.
  11. Adjust seasoning with salt and pepper, and stir in the miso paste just before serving.
  12. Ladle the soup into bowls, topping each with chopped coriander and a squeeze of lime or lemon juice.

Notes

Serve hot with crusty bread or a light side salad. Store leftovers in an airtight container for up to 4 days or freeze for up to 3 months.

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Soup
  • Method: Pressure Cooking
  • Cuisine: Indian

Nutrition

  • Serving Size: 1 cup
  • Calories: 230
  • Sugar: 4g
  • Sodium: 600mg
  • Fat: 4g
  • Saturated Fat: 1g
  • Unsaturated Fat: 3g
  • Trans Fat: 0g
  • Carbohydrates: 38g
  • Fiber: 15g
  • Protein: 18g
  • Cholesterol: 0mg

Why This Gut-Healthy Red Lentil Soup Never Fails

When you seek both flavor and health benefits in a culinary creation, this soup is your answer. Rich in fiber and protein, split red lentils can work wonders for digestion while keeping your taste buds dancing. Plus, it’s an incredibly forgiving recipe—perfect for novice cooks and kitchen pros alike. So, ready your pots, because this is one bowl of goodness you won’t want to miss.

Ingredient Lineup

Gathering the right ingredients is half the battle of cooking, and this vibrant red lentil soup is no exception. Here’s what you’ll need:

  • 1 cup split red lentils
  • 4-5 cups water
  • 2 bay leaves
  • 3 tablespoons sesame oil (or ghee/extra virgin olive oil)
  • 1 teaspoon cumin seeds
  • 1 teaspoon fennel seeds
  • 1/2 teaspoon mustard seeds (black or yellow)
  • 1 medium onion, finely chopped
  • 1-2 teaspoons grated or minced garlic (about 3 garlic cloves)
  • 2 teaspoons grated ginger
  • 1 teaspoon garam masala
  • 1 teaspoon turmeric powder
  • 1 teaspoon ground coriander
  • 3-4 dry curry leaves (optional)
  • Pinch of cayenne pepper
  • Salt and pepper, to taste
  • 2 tablespoons miso paste (opt for high-quality, like Japanese Hatcho Miso)
  • Fresh coriander (cilantro), chopped
  • Fresh lime or lemon juice

Step-by-Step Method

Let’s cook up a storm! Here’s how to turn those ingredients into a delightful bowl of soup:

  1. Wash the split red lentils with cold water until the water runs clear.
  2. Combine the cleaned lentils, 4-5 cups of water, and bay leaves in a pressure cooker.
  3. Cook under high pressure for 10 minutes. Once done, allow the pressure to release naturally, and remove the bay leaves.
  4. While the lentils are cooking, prepare the tadka (the mix of aromatics and spices cooked in oil).
  5. Heat the sesame oil in a saucepan over medium to high heat.
  6. Add the cumin, fennel, and mustard seeds; let them temper for about 30 seconds until fragrant.
  7. Stir in the chopped onion and sauté until translucent, about 3 minutes.
  8. Mix in the garlic and ginger, cooking briefly until fragrant (about 1 minute); be careful not to let them brown.
  9. Add garam masala, turmeric, coriander, cayenne, and season with a little salt and pepper. Continue on low-medium heat for about 5 minutes, stirring occasionally to prevent sticking. If needed, add a tablespoon of water at a time to loosen the spices.
  10. Pour the spice mixture into the cooked lentils. Add some of the lentil water back into the saucepan to catch all the delicious remnants and return it to the lentil pot.
  11. Cook together on the stovetop for an additional 5 minutes to meld those vibrant flavors.
  12. Adjust seasoning with salt and pepper, but first stir in the miso paste just before serving to preserve its beneficial enzymes.
  13. Ladle the soup into bowls, topping each with freshly chopped coriander and a squeeze of lime or lemon juice to brighten it up.

Nutrition Breakdown

With a serving size of 1 cup of this hearty soup, you can expect a delightful mix of nutrients: roughly 230 calories, 18 grams of protein, 38 grams of carbs, and under 5 grams of fat while boasting about 15 grams of dietary fiber. This soup offers a fantastic balance of nourishment to keep you satisfied and energized throughout the day, a perfect ally for your gut health!

How to Serve It Best

Serve this soup hot, ideally in rustic bowls that cradled each comforting spoonful. It pairs beautifully with crusty bread for dipping or a light side salad to freshen things up. Perfect for a chilly evening, this dish also brings warmth on cozy gatherings, making it an ideal companion for family nights or casual get-togethers with friends.

Smart Reheat Tricks

Leftovers? No problem! Store the soup in an airtight container in the fridge for up to 4 days or freeze it for up to 3 months. When reheating, opt for gentle heating on the stovetop or the microwave, and add a splash of water to maintain the right texture, ensuring that it doesn’t dry out.

Pro Notes

  1. Use quality lentils; fresh ones cook better.
  2. Adjust spice levels based on your preference—if you love heat, consider adding fresh chilis.
  3. For a creamier texture, blend part of the soup before serving.
  4. Use homemade stock instead of water for a richer flavor.
  5. Garnish stylishly with chopped nuts or seeds for added crunch.

Flavor Experiments

  1. Seasonal Twist: Add by shredding fresh kale or spinach to the soup just before serving for a nutrient boost.
  2. Gourmet Flare: A swirl of coconut cream on top lends a rich and tropical touch.
  3. Playful Variation: Toss in some diced apples or pears for a sweet contrast against the savory spices.

Learn from My Mistakes

  1. Overcooked Lentils: If lentils become mushy, make sure to reduce cooking time next time and keep an eye on the pressure cooker!
  2. Too Thick: If it turns out too dense, just add a bit more water during the final cooking stage to loosen it up.
  3. Seasoning Imbalance: Taste as you cook; always adjust the flavors as they develop.
  4. Forgot the Miso: If you forgot to add the miso, don’t stress—just add it to the warm soup when you remember!
  5. Bland Flavors: Amp up your seasoning if needed; don’t shy away from salt and spice until it sings in your mouth!

Creative Second-Day Ideas

  1. Make a wrap! Spread a little miso on a tortilla and layer with the lentil soup and some fresh greens.
  2. Use it as a base for curry by adding in diced vegetables and coconut milk for a variation on the original.
  3. Combine leftovers with quinoa or rice for a satisfying grain bowl topped with fresh herbs.

Quick Questions

Can I use another type of lentil? Absolutely! Green or brown lentils can work, but they’ll change the texture and cooking time.

Is this soup freezer-friendly? Yes! This soup freezes well; just store it in airtight containers.

Can I make this vegan? Yes, simply omit the miso or use a plant-based miso paste, ensuring all ingredients are cruelty-free.

How long does it take to cook? From start to finish, including prep time, you’re looking at about 30-40 minutes for this hearty dish!

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