There are recipes that feed your body, and then there are recipes that quietly wrap around your day and make it better — French lentil soup is one of those. Maybe it’s the smell of onions and garlic softening in butter, or the way a steaming bowl settles you into the couch with a good book. Whatever the reason, when life gets a little messy, a pot of this soup feels like a hug in a bowl.
When you need a different kind of comfort, the Creamy Chicken Noodle Soup is another cozy option.
Why you’ll love this version
This recipe focuses on classic flavors—green or brown French lentils, a soffritto of onion, carrot and celery, and bay and thyme for depth. It’s forgiving, inexpensive, and stores beautifully, so you can make a big batch on Sunday and lean on it all week. I’ve included a few simple swaps and tips below so you can make it your own without fuss.
If you like hearty vegetarian soups, try the Curried Butternut Squash Soup for a spiced alternative.
Ingredients
- 1 cup French green lentils (aka Puy lentils), rinsed and picked over
- 2 tablespoons olive oil or unsalted butter
- 1 medium onion, finely chopped
- 2 carrots, diced small
- 2 celery stalks, diced small
- 3 cloves garlic, minced
- 1 bay leaf
- 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme
- 4 cups low-sodium vegetable or chicken broth
- 1 (14.5 oz) can diced tomatoes, undrained (optional but lovely)
- Salt and freshly ground black pepper, to taste
- 1 tablespoon lemon juice (to finish)
- Chopped parsley or a drizzle of olive oil for garnish
How to Make French Lentil Soup
- Sweat the vegetables: In a large pot over medium heat, warm the olive oil or butter. Add the onion, carrot and celery with a pinch of salt. Cook, stirring occasionally, until the vegetables are soft and the onion is translucent, about 6–8 minutes. This step builds the base flavor—don’t rush it.
- Add garlic and herbs: Stir in the garlic, thyme and bay leaf and cook for about 30 seconds until fragrant.
- Combine lentils and liquids: Add the lentils, diced tomatoes (if using), and the broth. Bring the mixture to a gentle boil, then reduce the heat to low and simmer, partially covered, until the lentils are tender but not mushy—about 25–30 minutes for French lentils.
- Adjust texture and seasoning: If the soup is thickening too much, add a splash more broth or water. Once the lentils are cooked, remove the bay leaf and season with salt and pepper. Stir in the lemon juice to brighten everything up.
- Finish and serve: Ladle into bowls and garnish with chopped parsley or a drizzle of olive oil. Serve with crusty bread for dunking. Leftovers taste even better the next day as the flavors meld.
Hands-on time and tips
Total hands-on time is about 15–20 minutes with 30 minutes of simmering. If you’re short on time, use a pressure cooker and cook the lentils for 8–10 minutes under high pressure. And if you prefer a creamier texture, pulse a cup of the soup in a blender and stir it back into the pot.
Serving suggestions
This soup is lovely on its own, but I’ll never say no to a chunk of buttery bread beside it. For a heartier meal, add a spoonful of cooked sausage or shredded roast chicken. If you prefer vegetarian sides, a simple green salad or roasted root vegetables do the job beautifully. Serve your bowl with warm Garlic Bread Rolls for dunking and extra comfort.
FAQs
Can I use brown lentils or red lentils instead?
Brown lentils will work fine but may become softer; they’re great if you like a cozier, stew-like texture. Red lentils cook faster and tend to break down into a puree—use them if you want a silky, thick soup but reduce the cooking time.
Do I need to soak the lentils?
No soaking required. French green lentils cook fairly quickly and keep their shape, which is why they’re preferred for this recipe. Just rinse and pick out any stones.
Can I make this vegan?
Absolutely—use olive oil and vegetable broth. The lemon juice at the end helps create that savory depth you sometimes miss when skipping butter or meat.
How long does it keep?
Stored in an airtight container in the fridge, the soup will keep for 4–5 days. It also freezes well for up to 3 months—leave out any garnish before freezing and thaw in the fridge overnight.
Conclusion
French lentil soup is the kind of recipe you’ll come back to again and again because it’s comforting, forgiving, and utterly delicious. Whether you’re feeding a family, packing lunches for the week, or just want something warm and satisfying after a long day, this soup fits the bill. Try it once, and I bet it’ll become one of your go-to, feel-good meals. Enjoy the quiet joy of a homemade bowl—and don’t forget to wipe a little soup from your lip with the back of your hand like I always do when no one’s watching.
If you want a protein to pair with the lentils later in the week, consider making Slow Cooker Lemon Herb Chicken.
French Lentil Soup
Ingredients
Main
- 1 cup French green lentils Puy lentils, rinsed
- 4 cups low-sodium vegetable broth or chicken broth
- 14.5 oz diced tomatoes (optional)
Soffritto
- 2 tbsp olive oil or unsalted butter
- 1 medium onion finely chopped
- 2 carrots diced
- 2 celery stalks diced
- 3 cloves garlic minced
Seasoning & Finish
- 1 bay leaf
- 1 tsp fresh thyme or 1/2 teaspoon dried thyme
- Salt and freshly ground black pepper to taste
- 1 tbsp lemon juice
- Chopped parsley or olive oil for garnish
Instructions
- Heat oil or butter in a large pot over medium heat. Add onion, carrot and celery with a pinch of salt. Cook until soft and the onion is translucent, about 6–8 minutes.
- Stir in garlic, thyme and bay leaf; cook 30 seconds.
- Add lentils, tomatoes (if using) and broth. Bring to a boil, then reduce to a simmer and cook, partially covered, until lentils are tender, about 25–30 minutes.
- Remove bay leaf. Season with salt, pepper and stir in lemon juice. Garnish and serve with crusty bread.
Notes
- No soaking required for French green lentils.
- Pulse a cup of soup in a blender for a creamier texture, then stir back in.
- Freezes well for up to 3 months. Thaw overnight in the fridge before reheating.
