2/3 cup shredded part-skim mozzarella cheese, divided
5 slices pepperoni, cut into quarters, optional
1/2 teaspoon Italian seasoning
1/8 teaspoon pepper
Cook pasta according to package directions; drain. In a skillet, cook the sausage, green pepper, onion and garlic over medium heat until meat is no longer pink, drain.
In a bowl, combine the pasta, sausage mixture, tomato sauce, spaghetti sauce, 1/3 cup mozzarella cheese, pepperoni, Italian seasoning and pepper.
Transfer to a greased shallow 3-cup baking dish. Cover and bake at 375° for 15 minutes. Uncover; sprinkle with remaining cheese. Bake, uncovered, 5-8 minutes longer or until bubbly and cheese is melted.