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

Brown hamburger and onion. Cook noodles as directed on package. Add 32 ounce spaghetti sauce to hamburger mixture. Add cooked noodles to hamburger and sauce. Put all into a 9 x 13 inch baking dish and top with 12 ounces of Mozzarella cheese, shredded. Bake at 325 degrees for about 20 minutes.