Slow Cooker Lentil Soup

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Get ready to dive into the ultimate comfort food! This simple slow cooker lentil soup is a delightful blend of veggies, lentils, and cozy spices that come together effortlessly in your slow cooker. It’s hearty, delicious, and the perfect dish for those chilly winter evenings or busy days when you want a wholesome meal waiting for you.

Slow Cooker Lentil Soup

Prep Time 5 minutes
Cook Time 5 hours
Total Time 5 hours 5 minutes
Course Soup
Servings 6


  • 1 medium onion diced
  • 3 carrots about 1 cup, diced
  • 4 celery ribs diced
  • 3 cloves garlic minced
  • 1 cup green beans cut into 1-inch pieces (fresh or frozen)
  • 1 can 28 ounces crushed tomatoes
  • 1 pound baby potatoes diced
  • 1 1/2 cups dried brown or green lentils
  • 1 1/2 teaspoons paprika
  • 1 teaspoon oregano
  • 1/2 teaspoon thyme
  • 8 cups chicken or vegetable broth plus more as needed
  • Optional: 2 handfuls of baby spinach or kale
  • Juice of 1 lemon
  • 1/2 cup parsley chopped
  • Mineral salt & black pepper to taste


  • In the slow cooker, combine all the ingredients except for the optional greens (spinach or kale), lemon juice, parsley, salt, and pepper.
  • Stir everything together in the slow cooker until well mixed.
  • Cover the slow cooker with the lid and set it to cook on HIGH for 4-5 hours or on LOW for 8-10 hours.
  • About 5 minutes before the soup is done, stir in the optional greens (spinach or kale) and let them wilt.
  • Season the soup with salt and pepper to taste.
  • Squeeze the juice of 1 lemon into the soup and give it a final stir.
  • Ladle the soup into bowls and garnish each serving with a sprinkle of fresh chopped parsley.
  • Serve hot and enjoy! This soup pairs wonderfully with homemade vegan cornbread, vegan naan, or artisan bread.

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