1 lg. pkg. noodles (any kind)
1 1/2 lb. hamburger
1 lg. can spaghetti sauce (any kind)
1/4 c. onion, chopped

Cook noodles according to directions. Rinse hamburger with hot water and drain (less fat).

Mix above ingredients in an oven dish. Bake at 350 degrees for about 1 hour. Sprinkle with Parmesan cheese, if you so desire. Serve with salad and garlic rolls.