Beef Hash
["4 Tbsp. butter or margarine", "2 c. chopped cold beef roast or steak", "2 to 4 c. chopped boiled potatoes", "salt and pepper to taste", "1 c. beef gravy or hot water"]
["Melt butter; add remaining ingredients. Heat thoroughly and brown hash, stirring occasionally."]
["butter", "cold beef", "potatoes", "salt", "beef gravy"]