2 lbs. hamburger
1 sm. chopped onion
4 c. spaghetti sauce
4 c. shredded Mozzarella cheese
1/2 c. grated Parmesan cheese
1 c. water
16 oz. ridged mostaccioli, cooked 8 minutes, drained

Brown hamburg with onion over medium heat 6 to 8 minutes. Stir in spaghetti sauce and water. Bring to a boil; reduce heat and simmer 10 minutes. Add mostaccioli to meat sauce. Spread half of sauce in bottom of 13"x9"x2" baking dish. Top with half Mozzarella cheese and Parmesan. Spread rest of sauce and remaining cheese. Bake in 350 degree oven for 30 minutes or until heated. Makes 6 to 8 servings.