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Easy vegetable lentil soup garnished with Parmesan cheese.
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5 from 3 votes

Vegetable Lentil Soup Recipe

This vegetable lentil soup is an easy and hearty soup made with fresh vegetables and protein-rich lentils. Ground cumin adds warmth and a splash of red wine vinegar is the secret ingredient that makes it an outstanding soup recipe. Skip the cheese to make it dairy-free/vegan, and serve it with a crusty roll for a delicious weeknight meal. I've even got instructions on how to make it using your slow cooker!
Prep Time15 minutes
Cook Time40 minutes
Total Time55 minutes
Course: Soup
Cuisine: American
Diet: Vegetarian
Servings: 4 servings
Calories: 296kcal
Author: MaryAnne

Equipment

  • large pot or Dutch oven

Ingredients

  • 2 Tablespoons extra-virgin olive oil
  • 1 yellow onion, diced
  • 3 celery stalks, chopped
  • 3 medium carrots, chopped
  • 3 garlic cloves, minced or finely chopped
  • ½ teaspoon ground cumin
  • 1 ½ teaspoons sea salt
  • ½ teaspoon ground black pepper
  • ½ Tablespoon fresh thyme leaves, finely chopped or ½ teaspoon dried thyme
  • 6 cups vegetable stock
  • 2 Tablespoons tomato paste
  • 1 cup dried green lentils, rinsed in a colander
  • 2 Tablespoons red wine vinegar
  • 3 large pieces of kale (leaves only), chopped
  • Freshly grated Parmesan cheese, for serving (optional)

Instructions

  • Heat the olive oil in a large pot over medium heat. Add the onion, celery, carrots, garlic, cumin, salt, pepper, and thyme, and cook, stirring occasionally, for 10 minutes, until the vegetables are tender.
  • Add the vegetable stock, tomato paste, and rinsed lentils. Cover and bring to a boil. Reduce the heat and simmer for 25 to 30 minutes, until the lentils are softened and tender.
  • Add the kale leaves and cook for 5 minutes, or until wilted.
  • Remove from heat and add the red wine vinegar. Season to taste. Serve sprinkled with grated Parmesan cheese, if using.

Video

Notes

  • Storage: Cover soup and store it in the fridge for up to 4 days.
  • How to reheat soup: You can heat the soup in the microwave or on the stovetop. To heat on the stovetop, place soup pot over medium-low heat for 15 minutes, until heated through, stirring frequently.
  • How to freeze soup: Cool soup in the refrigerator, then transfer it to a freezer-safe container. I like to portion my soup into quart-sized freezer bags for easier thawing. To thaw, place in the refrigerator overnight, or place bag into a warm bowl of water for 30 minutes.
  • Use green or brown lentils. If you use red lentils, you will need to cut the cooking time in half.

Nutrition

Calories: 296kcal | Carbohydrates: 44g | Protein: 14g | Fat: 8g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Sodium: 2389mg | Potassium: 788mg | Fiber: 17g | Sugar: 8g | Vitamin A: 9419IU | Vitamin C: 19mg | Calcium: 85mg | Iron: 5mg
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