Lentil and Spinach Soup

Highlighted under: Healthy Low-Calorie Recipes

When I want a comforting yet nutritious meal, I always turn to my Lentil and Spinach Soup. I love how simple ingredients transform into a hearty dish that warms me from the inside out. The earthy lentils paired with fresh spinach create a symphony of flavors and textures that satisfy both my hunger and my soul. Whether I'm seeking a quick weeknight dinner or a soothing lunch, this soup never disappoints, and I often find myself making a double batch to savor throughout the week.

Emily Carter

Created by

Emily Carter

Last updated on 2026-01-30T02:51:28.494Z

I remember the first time I made this Lentil and Spinach Soup. I wanted to create something nourishing that I could whip up on a chilly evening. The combination of lentils and spinach not only packs a nutrition punch but also adds vibrant color to the bowl. Using spices like cumin and coriander elevates the flavor, making each spoonful a delightful experience.

One of my favorite tips is to let the soup simmer longer than the recipe suggests, as this allows the flavors to meld beautifully, enriching the overall taste. I also love to customize it with a splash of lemon juice just before serving, which brightens the soup remarkably. It's these small tweaks that make this soup my go-to favorite!

Why You Will Love This Recipe

  • A wholesome blend of lentils and fresh spinach
  • Packed with flavors from aromatic spices
  • Perfect for meal prep and easy to store

The Role of Lentils in the Soup

Lentils are the star ingredient in this soup, providing both protein and fiber, making it a filling meal. When selecting lentils, I recommend using green or brown lentils for their ability to hold their shape during cooking. Red lentils tend to become mushy and may not provide the desired texture. Make sure to rinse the lentils thoroughly before adding them to the pot; this removes dirt and helps prevent foaming during cooking.

Cooking lentils properly is crucial for achieving the right consistency. To ensure they remain tender but not overly soft, check their doneness around the 25-minute mark. If you notice they are still firm, continue simmering them while tasting every few minutes until they are just cooked through. Adequate cooking time allows the flavors to meld while preserving desirable textures.

Enhancing Flavor with Spices

The combination of cumin and coriander brings warmth and depth to the soup. Cumin adds a slightly nutty flavor, while coriander introduces subtle citrus notes. Toasting the spices briefly in the olive oil before adding the other ingredients can intensify their flavors. Simply add the spices after sautéing the vegetables and stir for about 30 seconds until fragrant—just until they become aromatic but not browned to avoid bitterness.

Adjusting spices to your taste is also essential. For those who enjoy a bit of heat, consider adding a dash of cayenne pepper or crushed red pepper flakes along with the cumin and coriander. This can transform the soup into a heartier dish without overpowering the other flavors. Remember, spices can be personal, so feel free to modify according to your preferences!

Serving and Storing the Soup

Once the soup is ready, let it cool slightly before serving. This allows the flavors to settle and enhances the overall taste. Serve the soup with a slice of crusty bread or a sprinkle of fresh herbs like cilantro or parsley for added freshness. A dollop of yogurt or a drizzle of olive oil on top can also elevate the dish with richness.

If you have leftovers, this soup stores wonderfully in the fridge for up to five days or freezes well for up to three months. When reheating, add a splash of water or broth if the soup thickens too much, as lentils absorb liquid as they sit. This soup is an excellent candidate for meal prep; making a big batch means you can enjoy nourishing transportable lunches throughout the week.

Ingredients

For the Soup

  • 1 cup lentils, rinsed
  • 4 cups vegetable broth
  • 2 cups fresh spinach, chopped
  • 1 onion, diced
  • 2 cloves garlic, minced
  • 1 carrot, diced
  • 1 celery stalk, diced
  • 1 teaspoon cumin
  • 1 teaspoon coriander
  • Salt and pepper to taste
  • 2 tablespoons olive oil
  • Juice of half a lemon (optional)

Instructions

Prepare the Vegetables

In a large pot, heat olive oil over medium heat. Add the diced onion, carrot, and celery, and sauté for about 5 minutes until softened. Stir in the minced garlic and cook for an additional 2 minutes.

Add Lentils and Spices

Add the rinsed lentils, cumin, coriander, salt, and pepper to the pot. Stir well to combine all the flavors.

Cook the Soup

Pour in the vegetable broth and bring the mixture to a boil. Reduce heat, cover the pot, and let it simmer for about 30 minutes or until the lentils are tender.

Finish with Spinach

Stir in the chopped spinach and let it wilt for 2-3 minutes. If desired, add lemon juice for an extra zing.

Serve

Taste and adjust the seasoning if necessary. Ladle the soup into bowls and enjoy warm!

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Pro Tips

  • For added protein, consider adding some cooked chicken or tofu to the soup. It also freezes well!

Ingredient Substitutions

If you're looking for a variation, consider swapping out fresh spinach for kale or Swiss chard. Both greens provide a hearty texture and can withstand the cooking process well. If you choose to use kale, make sure to remove the tough stems and chop it finely to ensure even cooking and a pleasant mouthfeel.

For a twist on flavor, try incorporating different kinds of legumes, such as chickpeas or black beans, in place of lentils. Just keep in mind that cooking times will vary with different legumes, so pre-cooked options can save time. Similarly, using low-sodium broth is a simple way to adjust the saltiness of the soup while still maintaining its rich flavor.

Troubleshooting Common Issues

If you find that your soup is too thick upon cooking, a great fix is to simply add more vegetable broth or water until the desired consistency is reached. Be sure to adjust the seasoning after adding more liquid, as this can dilute the flavors.

On the other hand, if the soup ends up too watery, an easy way to thicken it is to mash a portion of the cooked lentils against the side of the pot with a fork or blending a portion of the soup to create a creamy texture. This method adds body while keeping the dish nutritious and hearty.

Variations to Try

For an even heartier soup, add diced potatoes or sweet potatoes along with the lentils. They will lend a creamy texture as they cook and absorb delicious flavors from the broth. Try to cut them into small cubes to ensure they cook evenly during the same time as the lentils.

Experimenting with different herbs can also create delightful variations. Adding fresh thyme or a bay leaf while the soup simmers can introduce an aromatic quality that complements the soup's warmth beautifully. Just remember to remove the bay leaf before serving for a pleasant experience!

Questions About Recipes

→ Can I use dried lentils instead?

Yes, just make sure to rinse them well before adding to the pot.

→ What can I substitute for spinach?

Kale or Swiss chard are great alternatives if you want a different flavor.

→ How long does the soup last in the fridge?

It can be stored in the fridge for up to 5 days in an airtight container.

→ Can I make it vegan?

Absolutely! Just ensure that the vegetable broth is made with no animal products.

Lentil and Spinach Soup

When I want a comforting yet nutritious meal, I always turn to my Lentil and Spinach Soup. I love how simple ingredients transform into a hearty dish that warms me from the inside out. The earthy lentils paired with fresh spinach create a symphony of flavors and textures that satisfy both my hunger and my soul. Whether I'm seeking a quick weeknight dinner or a soothing lunch, this soup never disappoints, and I often find myself making a double batch to savor throughout the week.

Prep Time15 minutes
Cooking Duration30 minutes
Overall Time45 minutes

Created by: Emily Carter

Recipe Type: Healthy Low-Calorie Recipes

Skill Level: Intermediate

Final Quantity: 4 servings

What You'll Need

For the Soup

  1. 1 cup lentils, rinsed
  2. 4 cups vegetable broth
  3. 2 cups fresh spinach, chopped
  4. 1 onion, diced
  5. 2 cloves garlic, minced
  6. 1 carrot, diced
  7. 1 celery stalk, diced
  8. 1 teaspoon cumin
  9. 1 teaspoon coriander
  10. Salt and pepper to taste
  11. 2 tablespoons olive oil
  12. Juice of half a lemon (optional)

How-To Steps

Step 01

In a large pot, heat olive oil over medium heat. Add the diced onion, carrot, and celery, and sauté for about 5 minutes until softened. Stir in the minced garlic and cook for an additional 2 minutes.

Step 02

Add the rinsed lentils, cumin, coriander, salt, and pepper to the pot. Stir well to combine all the flavors.

Step 03

Pour in the vegetable broth and bring the mixture to a boil. Reduce heat, cover the pot, and let it simmer for about 30 minutes or until the lentils are tender.

Step 04

Stir in the chopped spinach and let it wilt for 2-3 minutes. If desired, add lemon juice for an extra zing.

Step 05

Taste and adjust the seasoning if necessary. Ladle the soup into bowls and enjoy warm!

Extra Tips

  1. For added protein, consider adding some cooked chicken or tofu to the soup. It also freezes well!

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 8g
  • Saturated Fat: 1g
  • Cholesterol: 0mg
  • Sodium: 500mg
  • Total Carbohydrates: 40g
  • Dietary Fiber: 12g
  • Sugars: 4g
  • Protein: 12g