Preheat oven to 375 deg. Place sausage and peppers in a greased 13 x 9 baking dish. Bake 15-20 minutes until sausage and peppers are cooked. Cook pasta as directed on package, drain, and add to baking dish with sauce. Cook mixture 15-20 minutes. Cover with cheeses and brown cheese at a higher temp, watching carefully not to burn.