Ingredients
Method
- Slice the sausage into 1-inch coins and brown the cut sides in olive oil in a large skillet.
- Transfer the sausage to a 5-quart slow cooker.
- Add the peppers and onion to the skillet and cook for 5 minutes, then transfer them to the cooker.
- Stir in the marinara, Italian seasoning and pepper flakes; cover and cook on low for 2 1/2 to 3 hours.
- Switch to warm, sprinkle with Parmesan and serve with toothpicks and small plates.