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French Lentil Soup Recipe – Hearty & Flavorful

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A hearty, rustic French lentil soup made with green lentils, aromatic vegetables, and herbs simmered in a savory broth. Naturally gluten-free, high in fiber, and perfect for make-ahead meals.

Ingredients

Scale
  • 2 tbsp olive oil

  • 1 yellow onion, diced

  • 2 carrots, chopped

  • 2 celery stalks, chopped

  • 3 garlic cloves, minced

  • 1 tbsp tomato paste

  • 1½ cups French green lentils (lentilles du Puy), rinsed

  • 6 cups vegetable or chicken broth

  • 1 bay leaf

  • 1 tsp dried thyme

  • ½ tsp dried rosemary

  • 1 tsp salt, or to taste

  • ½ tsp black pepper

  • 1 tbsp Dijon mustard (optional)

  • 2 cups baby spinach or chopped kale (optional)

  • Fresh parsley or Parmesan for garnish (optional)

Instructions

  • Heat olive oil in a large pot. Sauté onion, carrots, and celery for 8–10 minutes.

  • Add garlic and tomato paste. Cook 2 minutes.

  • Stir in lentils, broth, bay leaf, thyme, and rosemary. Bring to a boil.

  • Reduce heat and simmer for 30–35 minutes until lentils are tender.

  • Remove bay leaf. Stir in Dijon mustard and greens, if using.

  • Adjust seasoning. Serve with fresh herbs or Parmesan.

Notes

Store in the fridge up to 5 days or freeze up to 3 months. Add cooked grains or sausage to make it heartier.