Onion Casserole
["3 large onions, sliced thin", "1 (7 1/2 oz.) bag potato chips", "1/2 lb. cheese, grated", "1 can cream of mushroom soup, mixed with 1/2 soup can milk"]
["In buttered casserole dish, place a layer of sliced onions (slices overlapping).", "Over this, sprinkle layer of crushed potato chips, then a layer of grated cheese.", "Repeat these layers almost to the top of the dish.", "Pour soup and milk mixture over all. Bake in moderate oven until onions are tender (about 45 minutes)."]
["onions", "potato chips", "cheese", "cream of mushroom soup"]