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Easy Lentil Soup (7 Ingredients!)

Lentil soup

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5 from 6 reviews

This easy lentil soup is only 7 ingredients (excluding salt and water) and simple to meal prep as a lunch or dinner recipe! It’s one of our top cheap and delicious healthy meal prep ideas.

Ingredients

Scale
  • 2 tablespoons olive oil
  • 2 celery stalks, finely chopped
  • 2 carrots, peeled and finely chopped
  • 1 onion, finely diced
  • 2 garlic cloves
  • 10 cups water
  • 1 pound (16 ounces) dried green or brown lentils
  • 2 teaspoons ground cumin*
  • 1 tablespoon kosher salt
  • Optional garnishes: Freshly ground black pepper, finely chopped fresh parsley, grated Pecorino Romano cheese

Instructions

  1. In a large pot or Dutch oven, heat the olive oil over medium high heat. Add the celery, carrot, onion, and garlic and sauté for 5 to 6 minutes until tender.
  2. Add the water, lentils, cumin, and kosher salt. Bring to a simmer and simmer for 30 minutes until the lentils are tender (if not tender, keep cooking a few more minutes). Taste and add additional salt to taste (we usually add another 1/2 teaspoon) and fresh ground black pepper. 
  3. Serve immediately with grated Pecorino Romano cheese if desired, or refrigerate for meal prep. The soup lasts up to 1 week refrigerated and leftovers taste even better (you can also freeze them for up to 3 months). Leftovers may soak up extra broth, so you can add a splash of water and pinch of salt if the texture becomes too thick. 

Notes

*If you love cumin, go up to 1 tablespoon cumin. You can also substitute other spices like dried tarragon, dried oregano, and more. 

Variations I’ve tested: Add 1/2 tablespoon curry powder. Stir in 3/4 cup full fat coconut milk, or more to taste. Add 1 small diced, peeled potato and add it to the vegetables after sautéing 5 minutes. Sauté for 3 more minutes before continuing the remaining steps. Or try sweet potatoes: go to my Sweet Potato Lentil Soup recipe.