Hot Potato Salad
["4 lb. potatoes, cooked and drained", "1 c. chopped onion", "1/4 c. butter", "1 can cream of celery soup", "1 pt. sour cream", "1 1/2 c. shredded Cheddar cheese"]
["Slice cooked potatoes thinly.", "Saute onion in butter until tender.", "Stir in soup and sour cream.", "Pour over potatoes and add cheese.", "Mix well and turn into greased 13 x 9 x 2-inch dish. Cover and refrigerate overnight.", "Bake in 350\u00b0 oven for one hour."]
["potatoes", "onion", "butter", "cream of celery soup", "sour cream", "Cheddar cheese"]