Mushroom and Thyme Lentil Soup
A hearty, earthy soup where tender brown lentils meet meaty mushrooms and fragrant fresh thyme. Slowly simmered with aromatic vegetables, this rustic bowl feels like a cozy evening in the French countryside. Serve with crusty bread for a satisfying meal.
For 4 servings
- saute · ~8 min
Sauté the aromatic base.
1.Heat olive oil in a Dutch oven over medium heat.2.Add onion, carrot, and celery. Cook until softened, about 5-7 minutes.3.Stir in garlic and cook until fragrant, about 1 minute.TIPKeep the heat medium — you want the vegetables to soften without browning. - saute · ~8 min
Brown the mushrooms.
1.Add sliced mushrooms to the pot.2.Cook, stirring occasionally, until they release their moisture and begin to brown, about 8 minutes.TIPDon't crowd the mushrooms. Let them sit undisturbed for the first 3 minutes to develop a deep, golden sear. - saute · ~2 min
Bloom the tomato paste and thyme.
1.Stir in tomato paste and fresh thyme.2.Cook for 1-2 minutes to caramelize the paste and release the herb's aroma.TIPCaramelizing the tomato paste deepens the savory, umami flavor of the soup. - simmer · ~30 min
Simmer the lentils.
1.Add rinsed brown lentils, water, and the bay leaf.2.Bring to a boil, then reduce heat to low.3.Cover and simmer gently until lentils are tender, about 25-30 minutes.TIPKeep the lid slightly ajar to prevent the soup from boiling over. Stir occasionally. - mix · ~1 min
Season the soup.
1.Remove and discard the bay leaf.2.Stir in salt and freshly ground black pepper.3.Add lemon juice and stir to brighten the flavors.TIPTaste as you season. The lemon juice added at the end lifts all the earthy flavors. - serve
Ladle into bowls and garnish.
1.Ladle the soup into warm bowls.2.Garnish with fresh chopped parsley.3.Serve immediately with crusty bread on the side.
What to keep in mind.
6 tips from the recipe — small details that make a real difference to the final dish.
- 1For the deepest mushroom flavor, let them sit undisturbed for the first 3 minutes to develop a brown crust.
- 2Do not rinse the lentils after cooking; the starches help thicken the soup naturally.
- 3Add the lemon juice just before serving to preserve its bright, fresh acidity.
- 4Make ahead: the soup tastes even better the next day as flavors meld; store in the fridge for up to 4 days.
- 5If the soup thickens too much upon cooling, thin it with a splash of water or vegetable broth when reheating.
- 6Use a Dutch oven or heavy-bottomed pot for even heat and gentle simmering without scorching.
Adapt it for your goals.
Vegan
This soup is already vegan. For extra richness, stir in a splash of full-fat coconut milk at the end, or top with toasted pumpkin seeds for crunch.
high proteinHigh-protein
Add 200g of cooked, shredded chicken or cubed tofu along with the lentils to boost protein content without overpowering the earthy mushroom profile.
gluten freeGluten-free
The recipe is naturally gluten-free. Serve with gluten-free crusty bread or a side of roasted potatoes to keep it celiac-friendly.
low oilLow-oil
Reduce olive oil to 1 tbsp and dry-sauté the vegetables in a non-stick pan, deglazing with a splash of water or vegetable broth as needed.
Why this is on our healthy list.
Rich in Plant-Based Protein
Brown lentils provide a hearty dose of protein and fiber, supporting muscle repair and digestive health.
Packed with Antioxidants
Cremini mushrooms are a source of selenium and ergothioneine, antioxidants that help protect cells from oxidative stress.
Heart-Healthy Fats
Olive oil supplies monounsaturated fats, which are linked to reduced inflammation and better cardiovascular health.
Vitamin A from Carrots
Carrots contribute beta-carotene, a precursor to vitamin A, important for vision and immune function.
Frequently asked questions
Green lentils work well but hold their shape slightly more; red lentils break down and will create a mushier, creamier soup. Adjust cooking times accordingly.
