Italian Sausage Tortellini Soup with Kale

If you ask me, a good soup can turn any weeknight into something special.

This hearty Italian-inspired soup combines browned sausage with cheese tortellini and tender kale in a creamy, slightly spicy broth. The savory meat pairs with garlic and onions, while a blend of herbs and spices adds warmth without overwhelming heat.

It comes together in one pot with simple steps—brown the sausage, build the flavor base, then simmer everything until the tortellini is cooked through. Heavy cream gives it a rich finish that makes each spoonful satisfying.

It’s a comforting meal that feels filling but doesn’t weigh you down, perfect for those nights when you need dinner on the table fast.

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What Kind of Italian Sausage Should I Use?

You can use either sweet or hot Italian sausage for this soup, depending on how much heat you want in your bowl. Sweet Italian sausage will give you a milder, more herb-forward flavor that lets the other ingredients shine through, while hot sausage adds an extra kick that pairs nicely with the cream. If you’re cooking for a crowd with different spice preferences, sweet sausage is usually the safer bet since the recipe already includes cayenne, hot sauce, and red pepper flakes. You can buy it in links and remove the casings yourself, or save time by grabbing the ground version that comes in a tube or package.

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Options for Substitutions

This soup is pretty forgiving when it comes to swaps, so feel free to work with what you have:

• Italian sausage: You can use mild, sweet, or hot Italian sausage depending on your spice preference. Ground turkey or chicken sausage works too if you want a lighter option, though you might want to add a bit more seasoning since they’re milder.
• Tortellini: Any cheese-filled tortellini works great here – fresh or frozen. You can also use ravioli or even small pasta shapes like orecchiette or shells, though tortellini really makes this soup special.
• Kale: Not a kale fan? Swap it for spinach, Swiss chard, or even chopped escarole. Spinach will wilt faster, so add it in the last few minutes of cooking.
• Heavy cream: Half-and-half works if you want something lighter, or use whole milk with a tablespoon of butter stirred in. For a dairy-free version, try coconut cream or cashew cream.
• Chicken broth: Vegetable broth is a fine substitute if that’s what you have on hand. The flavor will be slightly different but still tasty.
• Flour: For a gluten-free option, use cornstarch (about 2 tablespoons) or a gluten-free flour blend in the same amount.

Watch Out for These Mistakes While Cooking

The biggest mistake when making this soup is adding the tortellini too early, which turns them mushy and unappetizing – wait until the last 3-5 minutes of cooking so they stay tender but firm.

Don’t skip draining the grease after browning the sausage, as excess fat will make your soup greasy and can prevent the flour from properly thickening the broth.

When you add the flour, make sure to cook it for the full 1-2 minutes while stirring constantly to get rid of that raw flour taste and create a smooth base for your soup.

Finally, add the kale at the same time as the tortellini rather than earlier – this keeps it from becoming too soft and losing its color, giving you that nice texture contrast in every bite.

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What to Serve With Sausage Tortellini Soup?

This soup is pretty hearty on its own, but I love serving it with some crusty bread or garlic knots for dipping into that creamy broth. A simple side salad with mixed greens, cherry tomatoes, and Italian dressing helps balance out the richness of the soup and adds a fresh crunch. If you want to make it a bigger meal, breadsticks or focaccia are always a hit, and they’re perfect for soaking up every bit of the flavorful base. You could also add a sprinkle of extra parmesan cheese on top and serve it with a glass of red wine for a cozy dinner.

Storage Instructions

Store: Keep leftover soup in an airtight container in the fridge for up to 4 days. Just know that the tortellini will soak up some of the broth as it sits, so you might want to add a splash of chicken broth when reheating to loosen it back up.

Freeze: This soup can be frozen for up to 2 months, but I’d recommend undercooking the tortellini slightly if you’re planning to freeze it. The pasta can get a bit mushy after freezing and reheating, so some people prefer to freeze just the broth and sausage mixture, then add fresh tortellini when serving.

Reheat: Warm the soup gently on the stovetop over medium-low heat, stirring occasionally. Add a bit of extra broth or cream if it’s gotten too thick. You can also microwave individual portions, but stir it halfway through to heat evenly.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 1900-2100
• Protein: 70-80 g
• Fat: 140-150 g
• Carbohydrates: 90-110 g

Ingredients

For the soup base:

• 1 lb italian sausage (I use Johnsonville mild for the best flavor balance)
• 1 large onion
• 4 garlic cloves (freshly minced for best aroma)
• 2 tbsp flour
• 1 tsp basil
• 3/4 tsp oregano
• 1/2 tsp pepper
• 3/4 tsp mustard powder
• 1 1/2 tsp hot sauce (I prefer Frank’s RedHot for a subtle kick)
• 1/4 tsp cayenne
• 1/4 tsp red pepper flakes
• 5 cups chicken broth (I always use Swanson for consistent salt levels)
• 8 oz heavy cream
• salt
• 1/2 tsp smoked paprika

For the final assembly:

• 2 cups tortellini (refrigerated cheese variety gives a better texture)
• 2 cups kale (stems removed and torn into 1-inch pieces)

Step 1: Brown the Sausage and Build the Aromatic Base

• 1 lb Italian sausage
• 1 large onion, diced

Heat a large pot over medium-high heat and add the Italian sausage, breaking it into small pieces as it cooks.

After about 5 minutes, when the sausage is mostly browned, add the diced onion and continue cooking for another 3-5 minutes until the onion becomes soft and translucent.

This creates a flavorful foundation by allowing the sausage fat to cook the onion, which develops sweetness and depth.

I like using Johnsonville mild sausage because it has enough seasoning without overpowering the other flavors in the soup.

Step 2: Deglaze and Create the Spice Paste

• 4 garlic cloves, freshly minced
• 2 tbsp flour

Drain off excess grease from the pot, leaving just enough to coat the bottom (about 1-2 tablespoons).

Add the minced garlic and cook for about 1 minute until fragrant, then sprinkle the flour over the mixture and stir constantly for 1-2 minutes.

This creates a roux that will thicken the soup and provide a subtle toasted flavor base.

The flour acts like a thickening agent, so don’t skip this step even though it seems like a small detail.

Step 3: Layer the Spices and Season the Mixture

• 1 tsp basil
• 3/4 tsp oregano
• 3/4 tsp mustard powder
• 1/2 tsp smoked paprika
• 1/2 tsp pepper
• 1/4 tsp cayenne
• 1/4 tsp red pepper flakes
• 1 1/2 tsp hot sauce

Add the basil, oregano, mustard powder, smoked paprika, pepper, cayenne, red pepper flakes, and hot sauce to the pot.

Stir well for about 1 minute to toast the spices lightly and distribute them evenly throughout the sausage mixture.

This technique, called blooming spices, releases their essential oils and intensifies their flavors, making them taste fresher and more vibrant rather than flat or dusty.

I prefer Frank’s RedHot because it adds a subtle vinegary kick without making the soup overly spicy.

Step 4: Build the Soup Base with Broth and Cream

• 5 cups chicken broth
• 8 oz heavy cream
• spiced sausage mixture from Step 3

Pour the chicken broth and heavy cream into the pot and stir well to combine with the spiced sausage mixture.

Bring the soup to a gentle boil over medium-high heat, then immediately reduce the heat to medium-low and maintain a steady simmer.

The cream will help balance the heat from the spices and create a rich, velvety texture that makes this soup feel more luxurious than a simple broth-based dish.

Step 5: Add the Tortellini and Kale

• 2 cups tortellini
• 2 cups kale, stems removed and torn into 1-inch pieces
• simmering soup base from Step 4

Add the refrigerated tortellini and torn kale pieces directly to the simmering soup and stir gently.

Cook for 3-5 minutes until the tortellini floats to the surface (indicating they’re cooked through) and the kale is tender but still bright green.

Refrigerated tortellini cooks faster than frozen varieties and gives a better texture, so don’t substitute frozen unless absolutely necessary.

Taste the soup and add salt as needed to balance all the flavors.

Step 6: Serve and Enjoy

Ladle the hot soup into bowls and serve immediately.

The combination of creamy broth, tender tortellini, wilted kale, and seasoned sausage creates a comforting, restaurant-quality meal that’s ready in under 30 minutes.

Italian Sausage Tortellini Soup with Kale

Delicious Italian Sausage Tortellini Soup with Kale recipe with step-by-step instructions.

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Prep Time 10 minutes mins

Cook Time 20 minutes mins

Total Time 30 minutes mins

Servings 4 servings

Calories 2000 kcal

Ingredients

  

For the soup base::

• 1 lb italian sausage (I use Johnsonville mild for the best flavor balance)
• 1 large onion
• 4 garlic cloves (freshly minced for best aroma)
• 2 tbsp flour
• 1 tsp basil
• 3/4 tsp oregano
• 1/2 tsp pepper
• 3/4 tsp mustard powder
• 1 1/2 tsp hot sauce (I prefer Frank's RedHot for a subtle kick)
• 1/4 tsp cayenne
• 1/4 tsp red pepper flakes
• 5 cups chicken broth (I always use Swanson for consistent salt levels)
• 8 oz heavy cream
• salt
• 1/2 tsp smoked paprika

For the final assembly::

• 2 cups tortellini (refrigerated cheese variety gives a better texture)
• 2 cups kale (stems removed and torn into 1-inch pieces)

Instructions

 

• Heat a large pot over medium-high heat and add the Italian sausage, breaking it into small pieces as it cooks. After about 5 minutes, when the sausage is mostly browned, add the diced onion and continue cooking for another 3-5 minutes until the onion becomes soft and translucent. This creates a flavorful foundation by allowing the sausage fat to cook the onion, which develops sweetness and depth. I like using Johnsonville mild sausage because it has enough seasoning without overpowering the other flavors in the soup.
• Drain off excess grease from the pot, leaving just enough to coat the bottom (about 1-2 tablespoons). Add the minced garlic and cook for about 1 minute until fragrant, then sprinkle the flour over the mixture and stir constantly for 1-2 minutes. This creates a roux that will thicken the soup and provide a subtle toasted flavor base. The flour acts like a thickening agent, so don't skip this step even though it seems like a small detail.
• Add the basil, oregano, mustard powder, smoked paprika, pepper, cayenne, red pepper flakes, and hot sauce to the pot. Stir well for about 1 minute to toast the spices lightly and distribute them evenly throughout the sausage mixture. This technique, called blooming spices, releases their essential oils and intensifies their flavors, making them taste fresher and more vibrant rather than flat or dusty. I prefer Frank's RedHot because it adds a subtle vinegary kick without making the soup overly spicy.
• Pour the chicken broth and heavy cream into the pot and stir well to combine with the spiced sausage mixture. Bring the soup to a gentle boil over medium-high heat, then immediately reduce the heat to medium-low and maintain a steady simmer. The cream will help balance the heat from the spices and create a rich, velvety texture that makes this soup feel more luxurious than a simple broth-based dish.
• Add the refrigerated tortellini and torn kale pieces directly to the simmering soup and stir gently. Cook for 3-5 minutes until the tortellini floats to the surface (indicating they're cooked through) and the kale is tender but still bright green. Refrigerated tortellini cooks faster than frozen varieties and gives a better texture, so don't substitute frozen unless absolutely necessary. Taste the soup and add salt as needed to balance all the flavors.
• Ladle the hot soup into bowls and serve immediately. The combination of creamy broth, tender tortellini, wilted kale, and seasoned sausage creates a comforting, restaurant-quality meal that's ready in under 30 minutes.