Hamburger And Spaghetti
["2 lb. hamburger", "1 large onion", "2 1/2 c. dry spaghetti", "1 can tomatoes (1 1/4 c. size), chopped", "1 can tomato sauce (13 to 15 oz. size)"]
["Brown the hamburger and onion.", "Drain.", "Break the spaghetti and cook and drain.", "Mix all together and put in a 9 x 13-inch pan. Cover with a layer of American cheese and a layer of Parmesan cheese. Bake in a 350\u00b0 oven about 20 minutes."]
["hamburger", "onion", "tomatoes", "tomato sauce"]