Healthy Crockpot Spinach Lentil Soup

Highlighted under: Clean Kitchen

I absolutely love making this Healthy Crockpot Spinach Lentil Soup, especially on chilly days when comfort food is a must. The recipe is so easy—just toss everything in the crockpot and let it do its magic! The lentils provide a hearty base, while the spinach adds a burst of color and nutrients. Plus, it’s a great way to meal prep for the week because it tastes even better the next day, making it a win-win for busy schedules and nutritious eating. Who wouldn’t love a warm bowl of goodness waiting for them?

Winifred Calder

Created by

Winifred Calder

Last updated on 2026-01-06T14:37:35.005Z

When I first discovered this Healthy Crockpot Spinach Lentil Soup, I knew I had struck gold. The sultry blend of spices, coupled with the earthiness of lentils and the freshness of spinach, makes it so satisfying—that's why it quickly became a staple in my kitchen. I love how versatile it is; you can adjust the seasoning or even toss in your favorite vegetables for a personal twist.

One of my favorite tips is to sauté some garlic and onion before adding them to the slow cooker. This enhances the flavors and builds an incredible aroma that fills the house and gets everyone excited about dinner. Trust me, you won't want to skip this step—it elevates the entire dish!

Why You Will Love This Recipe

  • Rich in protein and fiber, making it a healthy choice
  • Loaded with vibrant flavors and nutritious ingredients
  • Perfect for meal prepping and easy weeknight dinners

Understanding Lentils

Green lentils are the star of this soup, providing not only a hearty texture but also a rich source of protein and fiber. Their firm structure holds up well during the cooking process, unlike red lentils, which tend to become mushy. When using this recipe, it's essential to rinse the lentils beforehand to remove any debris and to check for any small stones that may have made their way in during processing. This ensures a smooth and enjoyable soup without any unwanted crunch.

One of the benefits of using lentils in this crockpot soup is their ability to absorb flavors. As they cook, they soak up the spices, broth, and aromatics, resulting in a deeply savory flavor profile. When adding spices like cumin and smoked paprika, consider adjusting the quantities to your taste; these spices can elevate the dish while lending warmth and depth to the overall flavor.

Tips for Adding Greens

Adding spinach not only boosts the nutritional value of your soup but also adds a fresh, vibrant taste. For best results, use fresh spinach rather than frozen, as it wilts significantly less and provides a desirable texture. When you're ready to incorporate the spinach, wait until the last 10 minutes of cooking. This ensures the leaves stay bright green and retain some of their original structure, making for a visually appealing bowl of soup.

If you're looking to switch things up, consider replacing spinach with other greens like kale or Swiss chard. Both can withstand longer cooking times, but it's best to chop them into smaller pieces. Add them earlier in the cooking process, around the halfway mark, so they fully wilt and meld with the other ingredients, contributing to the overall flavor and nutrition of the soup.

Prepping and Storing

This Healthy Crockpot Spinach Lentil Soup is an excellent choice for meal prep. After cooking, you can store the soup in an airtight container in the refrigerator for up to five days. The flavors continue to develop and deepen, making it a perfect make-ahead dish. I often double the recipe on weekends, so I have plenty for the busy week ahead, ready to reheat and enjoy.

For longer storage, this soup freezes beautifully. Simply let it cool completely before transferring it to freezer-safe containers, leaving some space at the top for expansion. When you're ready to eat, thaw it in the refrigerator overnight and reheat on the stovetop over medium heat until piping hot. Alternatively, you can reheat individual portions in the microwave for a quick meal. Just remember to stir it occasionally for even heating.

Ingredients

Gather the following ingredients to create this wholesome soup:

Ingredients

  • 1 cup green lentils, rinsed
  • 4 cups vegetable broth
  • 2 cups fresh spinach, chopped
  • 1 medium onion, diced
  • 2 cloves garlic, minced
  • 2 carrots, diced
  • 2 celery stalks, diced
  • 1 tsp cumin
  • 1 tsp smoked paprika
  • Salt and pepper to taste
  • 1 tablespoon olive oil

Now that you have everything ready, let's move on to the cooking process!

Instructions

Follow these simple steps to prepare your delicious soup:

Sauté the Aromatics

In a skillet over medium heat, add the olive oil, onion, and garlic. Sauté for about 5 minutes, until the onion becomes translucent.

Combine Ingredients

Transfer the sautéed mixture to the crockpot. Add the lentils, vegetable broth, carrots, celery, cumin, smoked paprika, and season with salt and pepper.

Cook

Cover the crockpot and cook on low for 4 hours or on high for 2 hours, until the lentils are tender.

Add Spinach

In the last 10 minutes of cooking, stir in the fresh spinach until wilted.

Serve

Ladle the soup into bowls and enjoy warm. It pairs wonderfully with crusty bread!

Enjoy your hearty and nutritious soup!

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Pro Tips

  • Consider adding other vegetables like zucchini or bell peppers for extra nutrition. You can also add a splash of lemon juice before serving for a fresh, zesty kick!

Flavor Adjustments

If you prefer a bit of kick, feel free to add a pinch of red pepper flakes or a splash of hot sauce when you combine the ingredients in the crockpot. These additions can transform the profile of your lentil soup, allowing you to tailor it to your family's preferences. Just be cautious with the quantities, as the flavors will intensify as the soup cooks.

Additionally, to take the flavor to the next level, consider adding a squeeze of fresh lemon juice right before serving. The acidity complements the earthiness of the lentils and brightens up the entire dish, making it even more refreshing and uplifting.

Serving Suggestions

When serving the soup, I love pairing it with a side of crusty bread for dipping. It not only complements the texture of the soup but also makes for a hearty meal. You can also offer a sprinkle of freshly chopped parsley or a dollop of yogurt on top, adding a touch of creaminess and freshness to balance the rich flavors.

For a heartier meal, serve the soup over a bed of cooked quinoa or brown rice. This turns it into a wholesome bowl packed with additional nutrients while keeping it filling. Your family will appreciate the heartiness, especially on cold nights.

Questions About Recipes

→ Can I freeze this soup?

Yes, this soup freezes well. Just store it in an airtight container and reheat when ready to enjoy.

→ What can I substitute for lentils?

You can substitute lentils with chickpeas or black beans, but be sure to adjust the cooking time accordingly.

→ How spicy is this soup?

This soup is not spicy at all, but you can add red pepper flakes or hot sauce if you prefer some heat.

→ Is this soup vegan?

Yes, the soup is entirely vegan since it is made with vegetable broth and no animal-based ingredients.

Healthy Crockpot Spinach Lentil Soup

I absolutely love making this Healthy Crockpot Spinach Lentil Soup, especially on chilly days when comfort food is a must. The recipe is so easy—just toss everything in the crockpot and let it do its magic! The lentils provide a hearty base, while the spinach adds a burst of color and nutrients. Plus, it’s a great way to meal prep for the week because it tastes even better the next day, making it a win-win for busy schedules and nutritious eating. Who wouldn’t love a warm bowl of goodness waiting for them?

Prep Time10 minutes
Cooking Duration240 minutes
Overall Time250 minutes

Created by: Winifred Calder

Recipe Type: Clean Kitchen

Skill Level: Easy

Final Quantity: 4 servings

What You'll Need

Ingredients

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

How-To Steps

Step 01

In a skillet over medium heat, add the olive oil, onion, and garlic. Sauté for about 5 minutes, until the onion becomes translucent.

Step 02

Transfer the sautéed mixture to the crockpot. Add the lentils, vegetable broth, carrots, celery, cumin, smoked paprika, and season with salt and pepper.

Step 03

Cover the crockpot and cook on low for 4 hours or on high for 2 hours, until the lentils are tender.

Step 04

In the last 10 minutes of cooking, stir in the fresh spinach until wilted.

Step 05

Ladle the soup into bowls and enjoy warm. It pairs wonderfully with crusty bread!

Extra Tips

  1. Consider adding other vegetables like zucchini or bell peppers for extra nutrition. You can also add a splash of lemon juice before serving for a fresh, zesty kick!

Nutritional Breakdown (Per Serving)

  • Calories: 230 kcal
  • Total Fat: 5g
  • Saturated Fat: 1g
  • Cholesterol: 0mg
  • Sodium: 360mg
  • Total Carbohydrates: 39g
  • Dietary Fiber: 13g
  • Sugars: 3g
  • Protein: 12g