Coney Island Hamburgers - cooking recipe

Ingredients

3 lb. hamburger
2 lb. sliced onion
1 bottle ketchup
1/2 bottle water

Preparation

Make hamburger patties, fry slightly on both sides, then fry onions lightly.
In a roasting pan, layer patties and onions. Pour bottle of ketchup mixed with water on top of patties and onions.
Bake at 350\u00b0 for 1 hour.