Au Gratin Potatoes
["4 lb. potatoes", "1/4 c. margarine (butter)", "1 pt. sour cream", "3 Tbsp. butter", "1/2 c. crushed cornflakes", "1 onion, diced", "1 1/2 c. Cheddar cheese, shredded", "1 can cream of celery soup"]
["Cook", "potatoes in skin and cool.", "Remove skin and shred coarsely.", "Mix", "potatoes and cheese in greased 9 x 13-inch pan or large casserole.", "Cook onion in 1/4 cup butter until soft. Mix with", "sour cream and celery soup.", "Pour over potatoes and mix well.", "Refrigerate overnight."]
["potatoes", "margarine", "sour cream", "butter", "cornflakes", "onion", "Cheddar cheese", "cream of celery soup"]