1 lb. hamburger
8 oz. pkg. noodles
32 oz. jar spaghetti sauce with mushrooms and green peppers
1/4 c. diced onions
12 oz. pkg. Mozzarella cheese

Brown hamburger and onion. Cook noodles as directed on package. Add spaghetti sauce to drained hamburger mixture. Add cooked noodles to hamburger and sauce. Put all into a 9 x 13 inch baking dish and top with 12 ounce Mozzarella cheese. Bake at 325 degrees for 20 minutes.