1 lb. Italian sausage, cut into 1/4" slices
1 jar (15 oz.) spaghetti sauce
8 oz. mostaccioli, cooked & drained
1/3 c. grated Parmesan cheese
1 pkg. (4 oz.) shredded mozzarella cheese

In skillet, brown sausage. Drain. In a greased 2 quart baking dish combine sausage, sauce, mostaccioli and Parmesan cheese. Top with mozzarella cheese. Bake at 350 degrees for 15-20 minutes or until heated through. 4-6 servings.