1. Preheat oven to 375° F.
2. Sauté sausage in large skillet over medium heat for 2-3 minutes.
3. Stir in garlic, peppers and onions then cook an additional 3 minutes.
4. Mix in Cavatappi and pour into casserole dish.
5. Cover with foil then bake for 35-40 minutes.
6. Let stand 5 minutes. Top with cheese and serve.