Lentil Vegetable Soup
A warm, hearty bowl of tender lentils simmered with colorful vegetables and fragrant herbs. This rustic soup comes together in one pot, filling the kitchen with an inviting aroma as it bubbles away. Perfect with crusty bread on a chilly evening.
For 4 servings
- prep
Rinse and pick over the lentils.
Place the brown lentils in a fine-mesh strainer and rinse under cold water until the water runs clear. Pick out any small stones or debris.
- saute · ~6 min
Sauté the aromatic vegetables.
1.Heat olive oil in a large heavy-bottomed pot over medium heat.2.Add diced onion, carrot, and celery. Cook until softened, about 5 minutes.3.Add minced garlic and ground cumin. Sauté until fragrant, about 30 seconds. - simmer · ~30 min
Simmer the soup base.
1.Add the rinsed lentils, diced tomatoes, cubed potato, bay leaf, and dried thyme to the pot.2.Pour in 4 cups of water and stir everything together.3.Bring the soup to a boil over high heat, then reduce the heat to low.4.Cover partially and let it simmer for 30 minutes, stirring occasionally, until lentils and vegetables are tender.TIPKeep the pot partially covered — this lets steam escape so the broth stays clear while the soup reduces to a nice consistency. - prep
Season and finish the soup.
1.Remove the bay leaf and discard it.2.Stir in the salt and black pepper.3.Add the fresh lemon juice and stir well.4.Taste and adjust seasoning if needed. - serve
Ladle into bowls and garnish with fresh parsley.
Divide the hot soup evenly among 4 bowls. Sprinkle each bowl with chopped fresh parsley. Serve with crusty bread on the side.
What to keep in mind.
7 tips from the recipe — small details that make a real difference to the final dish.
- 1Pick over lentils carefully to remove any small stones or debris before rinsing.
- 2Sauté the mirepoix (onion, carrot, celery) until softened to build a deep flavor base.
- 3Add the lemon juice at the very end to brighten the soup without dulling the other flavors.
- 4Partially cover the pot while simmering to allow the broth to reduce and concentrate naturally.
- 5For extra body, mash a small portion of the cooked lentils against the pot wall before serving.
- 6Let the soup rest for 10 minutes off the heat before serving to allow flavors to meld.
- 7Store leftovers in the fridge for up to 4 days; the soup thickens as it sits so thin with a splash of water or broth when reheating.
Adapt it for your goals.
Smoky-spiced
Add 1/2 teaspoon of smoked paprika and a diced chipotle pepper in adobo when sautéing the garlic for a warm, smoky heat that complements the lentils beautifully.
high proteinHigh-protein
Stir in 1 cup of cooked, shredded chicken or diced firm tofu during the last 10 minutes of simmering to boost the protein content without altering the core soup character.
low oilLow-oil
Sauté the aromatics in 2 tablespoons of water or vegetable broth instead of olive oil, using a nonstick pot to prevent sticking; reduce oil to just a teaspoon for finishing if desired.
jainJain
Replace the onion and garlic with 1/2 teaspoon asafoetida (hing) powder added after the oil is hot, and substitute potato with an extra carrot — this keeps the soup compliant with Jain dietary restrictions while preserving flavor depth.
herbaceousHerbaceous
Replace dried thyme with 2 tablespoons of fresh dill or cilantro stirred in at the end for a bright, herbaceous twist that pairs especially well with the lemon juice.
Why this is on our healthy list.
Rich in Plant-Based Protein
Brown lentils provide a solid source of protein, making this soup a satisfying meatless main that supports muscle repair and satiety.
High in Dietary Fiber
Lentils, carrots, celery, and potato collectively deliver soluble and insoluble fiber, which aids digestion and helps maintain steady blood sugar levels.
Packed with Antioxidants
Carrots and tomatoes supply beta-carotene and lycopene, antioxidants that help protect cells from oxidative stress.
Low in Saturated Fat
With just one tablespoon of olive oil and no added fats, this soup is naturally low in saturated fat, supporting heart-healthy eating patterns.
Good Source of Iron
Lentils are a plant-based source of iron, and the vitamin C from tomatoes and lemon juice helps enhance iron absorption.
Frequently asked questions
Yes, but adjust cooking time: green lentils hold their shape and simmer for 35-40 minutes, while red lentils break down quickly (15-20 minutes) for a thicker, almost pureed soup.
