1 can tomato soup
1/4 c. onions
2 tbsp. butter
1/2 c. water
3/4 c. shredded cheese
2 c. cooked macaroni

Lightly brown onions in butter, then stir in 1 can tomato soup and 1/2 cup water and 1/2 cup Cheddar cheese. Heat until cheese melts. (Save 1/4 cup cheese for topping.) Sprinkle 1/4 cup cheese and 2 tablespoons buttered bread crumbs on top of casserole and bake at 350 degrees for 25 minutes.