Healthy Crockpot Spinach Lentil Soup

Highlighted under: Home Healthy Meals Favorites

I absolutely love making this Healthy Crockpot Spinach Lentil Soup on busy days. It’s so effortless to throw all the ingredients into the slow cooker, knowing that by dinner time I’ll have a nourishing meal bubbling away. The combination of tender lentils and vibrant spinach creates a deliciously hearty soup that warms the soul. Plus, the best part is that it’s packed with nutrients and flavor, making it my go-to option for a healthy dinner the whole family will enjoy.

Esme Caldwell

Created by

Esme Caldwell

Last updated on 2026-01-11T18:54:37.269Z

When I first experimented with this recipe, I was amazed at how easy it was to prepare a nutritious meal with minimal effort. The lentils provide a filling base, while the spinach adds a fresh touch. I found that letting it simmer slowly brings out all the flavors beautifully, making the soup taste even better the next day, if there’s any left!

One tip I’d recommend is to keep the texture slightly chunky by not over-puréeing it, which elevates both the presentation and the eating experience. I often add a squeeze of lemon or a sprinkle of herbs right before serving to brighten the flavors!

Why You Will Love This Recipe

  • Packaged with protein from lentils to keep you full and satisfied
  • Effortless, one-pot meal that's perfect for meal prep
  • Deliciously nutritious and full of vibrant flavors

Lentils: The Heart of the Soup

Lentils are not just a protein powerhouse; they are also the key to achieving that satisfying texture in this soup. When cooked properly, they break down a bit, creating a thick, creamy base without the need for heavy cream. Make sure to rinse them thoroughly before adding them to the pot; this removes any dust or debris and helps them cook evenly. Green and brown lentils hold their shape well throughout the cooking process, giving the soup a charming rustic appeal.

If you’re looking to substitute the lentils, red lentils can also be used but will yield a different texture—softer and less firm. They cook faster, usually needing only about 20 to 30 minutes in a stovetop scenario. Keep in mind that you’ll want to reduce the cooking time if using red lentils in the crockpot, or they may disintegrate completely.

Perfecting the Flavor Profile

The combination of spices like ground cumin and smoked paprika is vital for that warm, robust flavor in your soup. Cumin adds an earthy note, while smoked paprika introduces a subtle smokiness that makes every spoonful delightful. When adding these spices, do so in the early stages to allow their flavors to meld and intensify as the soup cooks. If you prefer a little heat, consider incorporating a dash of cayenne pepper or some red pepper flakes—just a pinch will do!

After cooking, I like to taste the soup before serving. This is your chance to adjust the seasoning; sometimes, a bit more salt or a splash of lemon juice can elevate the dish significantly. Also, remember to remove the bay leaves before serving—they add depth during cooking, but you don’t want to bite into one!

Storage and Meal Prep Tips

This Healthy Crockpot Spinach Lentil Soup is an excellent option for meal prep. It stores beautifully in airtight containers in the refrigerator for up to five days. When reheating, add a splash of vegetable broth to loosen it up since leftovers tend to thicken as they cool. In case you’d like to freeze the soup, it can be stored for up to three months. Just make sure to allow it to cool completely before transferring it to a freezer-safe container.

When you're ready to eat the frozen soup, transfer it to the refrigerator a day ahead to thaw, or use a microwave to defrost it quickly. Be sure to stir well once reheated to ensure an even temperature throughout. It retains its flavor wonderfully, making it a convenient and wholesome option for busy weekdays.

Ingredients

Gather your ingredients to make this wholesome soup.

Ingredients

  • 1 cup dried green or brown lentils, rinsed
  • 4 cups vegetable broth
  • 2 cups fresh spinach, chopped
  • 1 onion, chopped
  • 2 carrots, diced
  • 2 celery stalks, diced
  • 3 cloves garlic, minced
  • 1 teaspoon ground cumin
  • 1 teaspoon smoked paprika
  • Salt and pepper to taste
  • 1 tablespoon olive oil
  • 2 bay leaves

Make sure to taste and adjust seasonings before serving!

Instructions

Here’s how to make the soup.

Prepare the Ingredients

In a large bowl, combine the rinsed lentils, chopped onion, carrots, celery, minced garlic, ground cumin, smoked paprika, and bay leaves.

Combine in Crockpot

Transfer the mixture to your crockpot and add the vegetable broth. Stir well to combine.

Cook the Soup

Cover and cook on low for about 8 hours or on high for 4 hours, until the lentils are tender.

Add Spinach

About 15 minutes before serving, stir in the chopped spinach and let it wilt into the soup.

Season to Taste

Taste and season with salt and pepper as needed before serving.

Enjoy your homemade Healthy Crockpot Spinach Lentil Soup!

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Pro Tips

  • For an extra depth of flavor, try adding a splash of balsamic vinegar or a dash of hot sauce before serving.

Serving Suggestions

This soup can be a wonderful standalone meal, but it pairs beautifully with crusty bread or a simple side salad. For added protein, consider topping each bowl with a dollop of Greek yogurt or a sprinkle of feta cheese before serving. Fresh herbs such as parsley or cilantro can also add a burst of freshness that complements the earthiness of the lentils.

Additionally, if you're feeling adventurous, try a side of roasted vegetables to add some texture and further nutrients. Roasting brings out their natural sweetness, which can balance the savory flavors of the soup nicely.

Variations to Try

Feel free to modify the recipe by adding different vegetables you may have on hand. Zucchini, bell peppers, or even diced potatoes can contribute unique flavors and textures. Just remember to chop them into similar sizes to ensure even cooking, usually about ½ inch will do. You can also swap in kale for the spinach if you prefer its heartier texture and nutrient profile.

For a protein boost, consider adding cooked quinoa or diced chicken towards the end of cooking. This adds heartiness without compromising the healthy essence of the soup. Just plan to adjust cooking times if you're incorporating various meats to ensure everything is cooked through.

Questions About Recipes

→ Can I use frozen spinach instead of fresh?

Yes, frozen spinach works well too. Just add it during the last 30 minutes of cooking to ensure it doesn't overcook.

→ How can I store leftovers?

Store leftover soup in an airtight container in the refrigerator for up to 5 days. It also freezes well for up to 3 months.

→ Can I add other vegetables?

Absolutely! Feel free to add any vegetables you have on hand, such as zucchini or bell peppers.

→ Is this recipe vegan?

Yes! This soup is completely vegan and gluten-free, making it a healthy choice for everyone.

Healthy Crockpot Spinach Lentil Soup

I absolutely love making this Healthy Crockpot Spinach Lentil Soup on busy days. It’s so effortless to throw all the ingredients into the slow cooker, knowing that by dinner time I’ll have a nourishing meal bubbling away. The combination of tender lentils and vibrant spinach creates a deliciously hearty soup that warms the soul. Plus, the best part is that it’s packed with nutrients and flavor, making it my go-to option for a healthy dinner the whole family will enjoy.

Prep Time15 minutes
Cooking Duration480 minutes
Overall Time495 minutes

Created by: Esme Caldwell

Recipe Type: Home Healthy Meals Favorites

Skill Level: Beginner

Final Quantity: 6 servings

What You'll Need

Ingredients

  1. 1 cup dried green or brown lentils, rinsed
  2. 4 cups vegetable broth
  3. 2 cups fresh spinach, chopped
  4. 1 onion, chopped
  5. 2 carrots, diced
  6. 2 celery stalks, diced
  7. 3 cloves garlic, minced
  8. 1 teaspoon ground cumin
  9. 1 teaspoon smoked paprika
  10. Salt and pepper to taste
  11. 1 tablespoon olive oil
  12. 2 bay leaves

How-To Steps

Step 01

In a large bowl, combine the rinsed lentils, chopped onion, carrots, celery, minced garlic, ground cumin, smoked paprika, and bay leaves.

Step 02

Transfer the mixture to your crockpot and add the vegetable broth. Stir well to combine.

Step 03

Cover and cook on low for about 8 hours or on high for 4 hours, until the lentils are tender.

Step 04

About 15 minutes before serving, stir in the chopped spinach and let it wilt into the soup.

Step 05

Taste and season with salt and pepper as needed before serving.

Extra Tips

  1. For an extra depth of flavor, try adding a splash of balsamic vinegar or a dash of hot sauce before serving.

Nutritional Breakdown (Per Serving)

  • Calories: 220 kcal
  • Total Fat: 4g
  • Saturated Fat: 0.5g
  • Cholesterol: 0mg
  • Sodium: 480mg
  • Total Carbohydrates: 36g
  • Dietary Fiber: 12g
  • Sugars: 3g
  • Protein: 14g