Slow Cooker Tuscan Sausage Soup with Kale and Potatoes

A hearty Italian-inspired soup that transforms simple ingredients into a satisfying meal. Hot Italian sausage provides the foundation, while aromatic vegetables, tender red potatoes, and nutrient-rich kale create layers of flavor and texture. The addition of heavy cream gives the broth a luxurious richness that balances the heat from red pepper flakes. Perfect for busy weeknights or meal prep, this slow cooker version allows flavors to meld beautifully over hours of gentle cooking. The finishing touch of fresh Parmesan cheese adds a sharp, nutty contrast that each spoonful into comfort food territory.
Ingredients
- 1 pound hot Italian sausagemild Italian sausage1:1dietary
reduces heat level
- 1 medium onion, (diced)
- 1 celery rib, (diced)
- 4 garlic cloves, (minced)
- 1 teaspoon dried oregano
- ½ teaspoon black pepper
- ½ teaspoon crushed red pepper flakes
- 1 medium carrot, (peeled and sliced)
- 4 red potatoes, (diced)
- 5 ½ cups chicken broth
- ¾ cup heavy cream
- 6 cups chopped kale
- freshly grated or shredded Parmesan cheese
Instructions
- 1
Brown and crumble sausage in a large nonstick skillet then drain grease
- 2
Add onion and celery to skillet and cook for 3 minutes
- 3
Transfer sausage mixture to slow cooker
- 4
Add garlic, oregano, black pepper, red pepper flakes, carrots, potatoes, and chicken broth
- 5
Cover and cook on LOW for 5 to 6 hours
- 6
Stir in heavy cream and kale
- 7
Cover and cook another 5 to 10 minutes
- 8
Check for seasoning and add salt and pepper to taste
- 9
Serve with Parmesan cheese
Tips
Drain sausage well to prevent greasy soup and get better browning for deeper flavor development.
Add kale in final minutes to maintain its vibrant color and prevent it from becoming mushy.
Let soup rest 5 minutes before serving to allow cream to fully incorporate and flavors to settle.
Good to Know
Refrigerate up to 3 days in airtight container. Cream may separate when reheated.
Can be made 1 day ahead without cream and kale. Add both when reheating.
Ladle into bowls and top with freshly grated Parmesan cheese. Serve with crusty bread.
Common Mistakes
Don't skip browning sausage to avoid bland, greasy soup
Add cream at end only to prevent curdling during long cook time
Don't overcook kale to avoid mushy, bitter greens
Substitutions
reduces heat level
FAQ
Can I use turkey sausage instead of pork sausage?
Yes, turkey Italian sausage works well. Choose hot or mild based on your heat preference. The soup may be slightly less rich but equally flavorful.
What if I don't have a slow cooker?
Make on stovetop in a large pot. After browning sausage and vegetables, simmer covered for 30-40 minutes until potatoes are tender, then add cream and kale.
How long will leftovers keep?
Store refrigerated up to 3 days. The cream may separate when reheated, so stir gently. Freezing not recommended due to dairy and potato content.