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There are soups you make because you’re sick. There are soups you make because it’s cold. And then there’s this red lentil soup with chicken sausage; the one you make because you actually want to eat it. It’s thick, it’s hearty, it’s packed with protein and fiber, and it comes together in under an hour without any drama. If you’ve been sleeping on lentil soup, this is your wake-up call.
Video: Let’s Make Red Lentil Soup with Chicken Sausage
Red Lentils Are One of the Healthiest Things You Can Eat
Red lentils are a nutritional powerhouse that somehow never gets the credit it deserves. One cup of cooked red lentils delivers roughly 18 grams of protein, 16 grams of fiber, and a serious dose of iron, folate, and potassium, all for around 230 calories. They’re also naturally low in fat and high in complex carbohydrates, which means they keep you full and your blood sugar stable. No crash. No regrets.
And here’s the thing about red lentils specifically: they dissolve as they cook. You don’t need a blender, an immersion blender, or any extra steps. They just melt into the broth and create this naturally thick, velvety texture that feels indulgent but is actually doing your body a favor.
Chicken Sausage Makes It a Meal
Lean chicken sausage brings the protein story home. Compared to pork sausage, it’s significantly lower in saturated fat while still delivering that savory, smoky depth that makes this soup taste like it simmered all day. Browning the sausage first ‚getting a little color on it before the vegetables go in builds a flavor base that carries the entire pot.
Add in the carrots, onion, and shallot for sweetness and body. Garlic and thyme for aromatics. Diced tomatoes for acidity and color. A mix of vegetable and chicken stock for a broth that’s rich without being heavy. This soup is quietly a nutritional all-star: anti-inflammatory ingredients, vegetables in every bite, legumes doing the heavy lifting.
Lemon at the End Is Non-Negotiable
A squeeze of fresh lemon juice right before serving is the move that separates a good lentil soup from a great one. It brightens everything, cuts through the richness, and makes all the other flavors pop. Don’t skip it. Don’t substitute it. Just do it.
The Lentil Soup Recipe You’ll Make on Repeat
It’s the kind of weeknight dinner that looks like you tried harder than you did. One pot, straightforward ingredients, minimal cleanup. It reheats beautifully, arguably better the next day once the flavors settle in. Freeze a batch and you’ve got a future Tuesday covered.
Whether you’re cooking for one or feeding a crowd, this red lentil soup with chicken sausage earns a permanent spot in your rotation. Scroll down for the full recipe.
This red lentil soup with chicken sausage is the one-pot dinner that earns a permanent spot in your rotation. Red lentils melt down into a thick, velvety broth loaded with carrots, garlic, and savory browned sausage. High protein, high fiber, and done in under an hour. A squeeze of fresh lemon at the end ties everything together. Save this for your next soup night.
Brown the sausage: Heat 2 tablespoons olive oil in a large pot or Dutch oven over medium-high heat. Add 1 package chicken sausage, sliced into rounds and cook until browned on both sides, about 5 minutes. Don’t rush this step — the color builds flavor.
Soften the vegetables: To the same pot, add 1 yellow onion, chopped, 4 carrots, chopped, and 1 shallot. Cook, stirring occasionally, until softened, about 5 minutes.
Add garlic and seasonings: Add 4 garlic cloves, minced, 1 teaspoons dried thyme, salt, and pepper. Stir and cook for about 1 minute until fragrant.
Build the broth: Pour in 1 can diced tomatoes (14.5 oz), 4 cups vegetable stock or chicken stock. Stir to combine and scrape up any browned bits from the bottom of the pot.
Add lentils and simmer: Stir in 1.3 cups red lentils, rinsed. Bring to a simmer, put the lid on, and let it go for 30 to 30 minutes until the lentils have melted down and the soup is thick.
Finish and serve: Squeeze in 1 lemon, juiced and stir. Taste and adjust salt if necessary.
Notes
Use 1 cup of lentils for a brothier soup, 1.5 cups for something thicker and more stew-like. Both work — just depends on what you’re after.
Fresh thyme is great if you have it. Dried is completely fine and what was used here.
The lemon at the end is non-negotiable. It brightens everything. Don’t skip it.
This soup reheats beautifully and freezes well. The lentils continue to absorb liquid as it sits, so add a splash of stock when reheating if needed.
Any chicken sausage works — smoked, Italian-style, herb. Pick one you like eating on its own and it’ll be great in the soup.
