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Sausage Lentil Soup Recipe

Sausage Lentil Soup

Wholesome Cove
This hearty sausage lentil soup is the ultimate one-pot comfort meal — deeply flavorful from browned Italian sausage, packed with tender lentils and vegetables, and finished with a bright squeeze of lemon. It comes together in just one hour, feeds a crowd on a budget, and tastes even better the next day, making it a weeknight staple you'll return to again and again.
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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Soup
Cuisine Italian
Servings 8 servings
Calories 385 kcal

Equipment

  • Large Dutch oven or heavy-bottomed pot - 6–8 quart capacity recommended
  • Wooden spoon or sturdy spatula - For breaking up sausage and stirring
  • Sharp knife
  • Cutting board - Large size preferred for prepping all vegetables at once
  • Measuring cups and spoons
  • Ladle - For serving
  • Fine-mesh strainer - For rinsing lentils
  • Immersion blender - (optional) For partially blending soup to a creamier texture

Ingredients
  

For the Soup Base

  • 1 lb Italian sausage - 450g, mild or spicy, casings removed
  • 1 tbsp olive oil
  • 1 large yellow onion - diced, about 1½ cups or 200g
  • 3 medium carrots - diced, about 1½ cups or 180g
  • 3 celery stalks - diced, about 1 cup or 120g
  • 4 garlic cloves - minced
  • 1½ cups dried green or brown lentils - 300g, rinsed and picked over
  • 1 can diced tomatoes with juice - 14.5 oz or 411g
  • 6 cups low-sodium chicken broth - 1.4 liters
  • 2 cups water - 475ml
  • 2 bay leaves
  • 1 tsp dried thyme
  • 1 tsp dried oregano
  • ½ tsp smoked paprika
  • ¼ tsp red pepper flakes - optional, for heat
  • salt and black pepper - to taste
  • 2 cups fresh spinach or kale - 60g, roughly chopped; remove tough stems if using kale
  • 2 tbsp fresh lemon juice
  • fresh parsley - optional, for garnish

Instructions
 

  • Dice onion, carrots, and celery into ¼-inch pieces; mince garlic; rinse lentils in a fine-mesh strainer and remove any debris; remove sausage casings; roughly chop spinach or kale.
  • Heat a large Dutch oven over medium-high heat, add olive oil, then add sausage. Cook 6–8 minutes, breaking it into ½–1 inch pieces, until deeply browned. Do not drain unless there is more than 2 tablespoons of fat.
  • Reduce heat to medium, add onion and cook 5 minutes until softened, then add carrots and celery and cook 4–5 more minutes. Push vegetables aside, add garlic to the center, and cook 30–60 seconds until fragrant.
  • Stir in the rinsed lentils and canned diced tomatoes with their juice, scraping up any browned bits from the bottom of the pot with a wooden spoon.
  • Pour in chicken broth and water, then add bay leaves, thyme, oregano, smoked paprika, red pepper flakes (if using), 1 tsp salt, and ½ tsp black pepper. Stir well and bring to a boil over high heat.
  • Reduce heat to medium-low, partially cover, and simmer 35–40 minutes, stirring every 10 minutes, until lentils are tender but still hold their shape. Add more water or broth if soup becomes too thick.
  • Taste and adjust salt and pepper, remove bay leaves, then stir in the spinach or kale and cook 1–4 minutes until wilted. Turn off heat and stir in fresh lemon juice.
  • Let soup rest off heat for 5–10 minutes, then ladle into bowls and garnish with fresh parsley. Serve with crusty bread for dipping.

Notes

  • Use green or brown lentils: Red lentils break down too quickly and make the soup mushy — stick with green or brown for the best texture.
  • Brown the sausage deeply: Don't rush this step; the caramelized crust on the sausage provides most of the soup's flavor foundation.
  • Salt lentils at the end: Adding all your salt early can toughen lentil skins and extend cooking time. Add most salt in the last 10 minutes.
  • Old lentils cook slower: Lentils older than a year may take significantly longer to soften — buy fresh lentils for best results.
  • Adjust lemon juice to taste: The fresh lemon juice brightens all the flavors and balances the richness of the sausage — don't skip it.
  • Tastes better the next day: Flavors deepen overnight. If making ahead, add greens and lemon juice when reheating for freshest flavor.
  • Freezer-friendly: Freeze for up to 3 months. For best results, freeze before adding greens and lemon juice. Add extra broth when reheating as soup thickens considerably.
  • Slow cooker method: Brown sausage first, then add all ingredients (except greens and lemon) and cook on low 6–7 hours or high 3–4 hours. Stir in greens and lemon in the last 15 minutes.
  • Instant Pot method: Use sauté function to brown sausage and vegetables, then pressure cook on high for 15 minutes with natural release. Add greens and lemon after cooking.
  • Customize the heat: Use mild Italian sausage for a kid-friendly version, spicy sausage for adults, or a mix of both for a balanced kick.

Nutrition

Serving: 1BowlCalories: 385kcalCarbohydrates: 38gProtein: 24gFat: 16gSaturated Fat: 5gPolyunsaturated Fat: 2gMonounsaturated Fat: 7gCholesterol: 45mgSodium: 820mgPotassium: 780mgFiber: 14gSugar: 5gVitamin A: 85IUVitamin C: 15mgCalcium: 8mgIron: 35mg
Keyword hearty soup recipe, Italian sausage soup, lentil soup, one pot soup, sausage lentil soup
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