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Overhead view of a bowl of slow cooker lentil soup with a piece of bread and spoon stuck into it.

Slow Cooker Lentil Soup

Nothing is more comforting than a big hearty bowl of slow cooker lentil soup! It is a dump-and-go recipe, so it's super easy to make and it'll last all week. It uses simple pantry staples, so you probably already have all the ingredients ready to go to make this flavorful soup!
5 from 1 vote
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Prep Time: 10 minutes
Cook Time: 6 hours
Total Time: 6 hours 10 minutes
Servings: 6 servings

Equipment

Ingredients

  • 1 yellow onion fine diced
  • 3 large carrots chopped into small pieces
  • 3 stalks celery chopped into small pieces
  • 3 cloves garlic minced
  • ½ teaspoon cumin
  • 2 tablespoons tomato paste
  • 2 sprigs fresh thyme
  • 1 bay leaf
  • 6 cups vegetable broth low sodium
  • 15 ounces fire-roasted diced tomatoes
  • cups brown lentils rinsed
  • parmesan rind
  • salt and pepper to taste
  • 1 tablespoon lemon juice
  • chopped fresh parsley for garnish

Instructions

  • Add all the ingredients except the lemon juice, parsley, salt, and pepper to a slow cooker and stir to combine.
  • Cover and cook on low for 6-8 hours or high for 3-4 hours, until lentils are soft.
  • Add the lemon juice and season with additional salt and pepper to taste. Stir to combine.
  • Remove the bay leaf, thyme stems, and the parmesan rind before serving.

Nutrition

Serving: 1serving | Calories: 231kcal | Carbohydrates: 43g | Protein: 14g | Fat: 1g | Saturated Fat: 0.1g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 0.1g | Sodium: 1136mg | Potassium: 720mg | Fiber: 17g | Sugar: 8g | Vitamin A: 7008IU | Vitamin C: 11mg | Calcium: 80mg | Iron: 5mg
Course: Slow Cooker
Cuisine: Comfort
Author: Carmy