Recipe

Green Lentil Soup with Lemon and Dill

A cozy one-pot lentil soup with crisp-tender veggies, warm spices, and a bright lemon finish. Optional garlicky yogurt swirl for extra comfort.

By Matt Campbell

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4.8

A bowl of green lentil soup with visible lentils, carrots, and celery, finished with fresh dill and a lemon wedge on a simple stoneware table setting

Jump to Recipe

Green lentils are the overachievers of the pantry. They cook up tender but still hold their shape, which means your soup ends up hearty instead of overly thick and uniform. This version is my go-to when I want something cozy that still tastes awake: onions and garlic for the base, a little cumin and smoked paprika for warmth, then lemon juice and dill at the end to make the whole pot feel fresh.

And if you are in the mood to make it feel restaurant-y with almost no effort, do the quick garlicky yogurt swirl. It turns each bowl into that pause-mid-bite moment, like, okay wow, we are doing great today.

Green lentils, chopped carrots, celery, onion, garlic, lemon, dill, spices, and broth arranged on a bright kitchen counter in small bowls

Why It Works

Green lentils keep their texture, so you get a thick, spoonable soup with actual bite.
Layered flavor in one pot: sautéed aromatics, toasted spices, then a simmer that does the heavy lifting.
Lemon and dill at the end keep it bright and balanced, especially if you plan to eat leftovers for a few days.
Flexible and forgiving: swap greens, use water plus bouillon, make it vegan, or add sausage if your fridge is giving chaos.

Pairs Well With

Storage Tips

Refrigerator: Cool completely, then store in an airtight container for about 4 to 5 days. Lentil soup thickens as it sits, which is honestly a feature.

Freezer: Freeze in containers or zip-top bags (laid flat) for up to 3 months. Thaw overnight in the fridge for best texture.

Reheating: Warm on the stove over medium-low, stirring often. Add a splash of broth or water to loosen it up. Finish each bowl with fresh lemon if it tastes a little muted after chilling.

Yogurt swirl note: Store the yogurt sauce separately and add after reheating so it stays creamy and bright.

Common Questions

Do I need to soak green lentils?

Nope. Green lentils do not need soaking. Just rinse them and pick out any tiny stones or broken bits.

How long do green lentils take to cook in soup?

Most green lentils are tender in about 25 to 35 minutes at a gentle simmer. Older lentils can take a little longer, so keep an eye on them and add a splash more broth if needed.

Why are my lentils still hard?

Usually one of three things: your lentils are old, the soup is not actually simmering, or it just needs more time (especially with very hard water). Adding acid early can slow softening for some batches, so add the lemon at the end and simmer until tender.

Can I use brown lentils instead of green lentils?

Yes. Brown lentils cook similarly and hold their shape well. Red lentils will work too, but they break down and make the soup much thicker and softer.

What kind of green lentils should I use?

Standard green lentils and French green (Puy) lentils both work. French green lentils tend to stay a little firmer and may take a few extra minutes.

How do I make this soup vegan?

Use vegetable broth and skip the yogurt swirl, or swap in a plant-based yogurt. Finish with extra olive oil and lemon for richness.

Can I make it in a slow cooker?

Yes. Sauté the onion, carrot, celery, and spices first for better flavor, then cook on low 6 to 7 hours or high 3 to 4 hours until lentils are tender. Slow cookers vary, so start checking around 5 hours on low or 2 1/2 hours on high. Add lemon, dill, and spinach at the end.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Large Dutch oven or heavy-bottom soup pot (5 to 7 quarts)
Cutting board and sharp knife
Wooden spoon or silicone spatula
Measuring cups and spoons
Microplane or fine grater (for garlic in the yogurt swirl, optional)
Ladle

I started leaning on green lentils when I decided I wanted more real-world kitchen skills than classroom perfection. Lentils are humble, cheap, and wildly teachable. They show you how a pot changes when you toast spices, when you salt at the right time, when you finish with acid instead of just hoping it tastes exciting. This soup is my weeknight reset button. It is the thing I make when I want dinner to feel like a plan, even if the day was not.