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Slow Cooker Lentil Soup Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.8 from 71 reviews
  • Author: Lauren
  • Prep Time: 10 minutes
  • Cook Time: 2 hours 50 minutes
  • Total Time: 3 hours
  • Yield: 6 servings
  • Category: Soup
  • Method: Slow Cooking
  • Cuisine: American
  • Diet: Vegan

Description

This Slow Cooker Lentil Soup is a hearty, healthy, and flavorful meal that’s perfect for busy days. Packed with protein-rich lentils and nutritious vegetables, it’s a comforting vegan and gluten-free dish that can be set and left to cook with minimal effort. Ideal for a nourishing lunch or dinner, this soup is full of wholesome ingredients and warming spices.


Ingredients

Scale

Vegetables and Aromatics

  • 1 medium onion, diced
  • 2 medium carrots, sliced
  • 2 medium celery stalks, diced
  • 3 garlic cloves, minced

Dry Ingredients and Spices

  • 1 pound dried brown lentils
  • 1 teaspoon ground cumin
  • 1/2 teaspoon ground coriander

Liquids and Canned Goods

  • 8 cups vegetable broth
  • 1 (14.5 ounce/411 gram) can diced tomatoes

Seasoning

  • Salt and pepper, to taste


Instructions

  1. Prepare Ingredients: Dice the onion and celery, slice the carrots, and mince the garlic cloves. Rinse the dried brown lentils under cold water to remove any debris or dust.
  2. Combine in Slow Cooker: Add the lentils, diced onion, sliced carrots, diced celery, minced garlic, ground cumin, ground coriander, and vegetable broth into a 3-quart or larger slow cooker. Give everything a good stir to combine the ingredients evenly.
  3. Cook the Soup: Cover the slow cooker with its lid and cook the soup on high for 2 1/2 to 3 1/2 hours or on low for 5 to 6 hours, until the lentils are tender and the vegetables are soft.
  4. Add Tomatoes: Stir in the can of diced tomatoes and allow the soup to continue cooking for an additional 20 minutes to heat the tomatoes through and develop flavor.
  5. Season and Serve: Season the soup with salt and pepper according to your taste preferences. Serve warm and enjoy a comforting bowl of lentil soup.

Notes

  • This recipe is an easy set-it-and-forget-it meal, ideal for busy schedules.
  • The soup is vegan and gluten-free, making it suitable for various dietary needs.
  • You can customize the seasoning with your favorite herbs or extra spices for added flavor.
  • Leftovers store well in the refrigerator for up to 4 days or can be frozen for longer storage.

Nutrition

  • Serving Size: 1.5 cups
  • Calories: 317 kcal
  • Sugar: 8 g
  • Sodium: 1390 mg
  • Fat: 1 g
  • Saturated Fat: 0.2 g
  • Unsaturated Fat: 0.7 g
  • Trans Fat: 0 g
  • Carbohydrates: 57 g
  • Fiber: 25 g
  • Protein: 21 g
  • Cholesterol: 0 mg