4 ratings

Slow Cooker Red Lentil Soup

Enjoy this warm and healthy soup
Slow Cooker Red Lentil Soup
Andrei Kravtsov/iStock via Getty Images

This lentil soup can be cooked beautifully with your slow cooker and it is healthy and warm for your family. 

This recipe is courtesy of West of the Loop.

Ready in
5 h and 10 m
10 m
(prepare time)
5 h
(cook time)
Calories Per Serving


  • 1 medium yellow onion, chopped
  • 2 cloves garlic, minced
  • 4 carrots, peeled and diced
  • 2 ribs celery, diced
  • 1 Teaspoon each ground cumin and coriander
  • 1/2 Teaspoon turmeric
  • 1 Teaspoon kosher salt
  • 6 Cups liquid such as water, vegetable or chicken broth
  • 1 1/2 Cup red lentils
  • Juice and zest of one lemon
  • 10 Ounces baby spinach


Pour oil into slow-cooker pot and set Stovetop setting to high.

Add onions, carrots, garlic and celery to the pot and saute until tender, about five to seven minutes.

Season with cumin, coriander, turmeric and salt.

Saute vegetables for a few additional minutes until fragrant.

Add lentils and toss to coat with oil.

Pour in liquid and bring to a boil.

Cover and turn to Slow-Cooker Low setting for 5-7 hours.

Prior to serving, stir in lemon zest, lemon juice and baby spinach.

If you prefer a thicker consistency, you can transfer half the soup to a blender or food processor and puree. Combine with remaining soup before serving.