1 1/2 lb. ground beef
4 lg. potatoes
1 lg. onion
1 c. mushroom soup

Brown hamburger meat and drain grease. In a casserole dish, put 1 layer of hamburger, 1 layer of sliced potatoes, 1 layer of sliced onion and repeat. Pour soup and 1 can water, salt to taste. Bake at 425 degrees for 1 hour or until potatoes are done.