lentil soup

Lentil soup made with carrots, tomatoes, and cumin. Ready in under 45 minutes, this easy soup keeps you full for hours.

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Total Time 46

Servings: 4 servings

Course: Soup

Cuisine: Mediterranean

Calories: 310

Ingredients Method Notes

Ingredients

Soup base

1 cup brown or green lentils
1 unit onion
2 unit carrots
2 stalks celery
2 cloves garlic
2 tablespoons olive oil
1 teaspoon ground cumin
0.5 teaspoon smoked paprika
1 teaspoon salt
0.5 teaspoon black pepper
1 can (400g) diced tomatoes
1 liter vegetable broth
1 unit bay leaf
0.5 unit lemon juiced
2 tablespoons chopped fresh parsley

Method

Rinse the lentils well under cold water and set aside. This keeps your soup clear and helps lentils cook evenly.
Chop the onion, carrots, and celery into small, even pieces. I usually aim for about 1/2-inch dice so everything cooks at the same speed.
Heat the olive oil in a large pot over medium. When it shimmers, add the onion, carrots, and celery. Sauté for about 5 minutes until softened. Add the garlic and stir for 1 minute—don’t let it burn.
Add the cumin, smoked paprika, salt, and pepper. Stir until the veggies are coated and you can smell the spices. This step unlocks the flavor before adding any liquid.
Pour in the lentils, diced tomatoes (with juice), and broth. Toss in the bay leaf. Scrape the bottom of the pot to get up any browned bits (they add flavor).
Bring to a boil, then immediately drop to a gentle simmer. Cover and cook 30–35 minutes, stirring once or twice. Lentils should be tender but not mushy. If they still taste gritty after 30 minutes, give it 5 more minutes.
Remove the bay leaf. Squeeze in the lemon juice (I always start with half, taste, then maybe add the rest). Check for salt—sometimes you’ll need an extra pinch at the end.
Stir in chopped parsley just before serving. Ladle into bowls. I like this soup with crusty bread or a drizzle of olive oil on each bowl.

Notes

I grew up eating some version of lentil soup almost every week, especially on chilly days when there wasn’t much time or budget for shopping. What I love most: it’s hearty, uses what’s on hand, and tastes better after sitting awhile. Even if you think you don’t love lentils, the right seasoning makes a world of difference.

Tips from my kitchen

Sauteing the veggies before adding liquid isn’t optional—it builds that sweet, deep base you expect from hours of simmering. Don’t rush it. I also let the spices sizzle in oil for a minute. This little move brings out the smoky flavor in paprika instead of leaving it flat.

When cooking lentils, I always taste a few before calling it done. Sometimes, a batch needs a couple extra minutes (even if the timer says you’re finished). Undercooked lentils can be oddly chalky in texture.

Here’s a trick most recipes skip: squeeze in just half the lemon first, stir, taste, and only add the rest if you need it brighter. Too much acid can flatten the flavors.

Swaps and variations

You can use green, brown, or black lentils here—just not red. Red lentils turn mushy in this recipe. I’ve swapped parsley for cilantro or even a bit of dill when I’m out, and it works. Toss in a handful of chopped spinach or kale for more greens.

Sometimes I add a can of chickpeas or some cooked, shredded chicken if I have it—good for stretching leftovers into lunch tomorrow.

Storage notes

This soup gets thicker as it sits; that’s normal. If it’s too thick on day two, add a splash of broth or water before reheating. It keeps well in the fridge for up to 4 days and freezes without any weird changes in texture. I actually prefer it the next day.