Aunt Martha'S Cheese Squares
["1 loaf French bread", "1 (3 oz.) pkg. cream cheese", "1/4 lb. grated sharp cheese", "1 stick margarine", "2 egg whites, stiffly beaten"]
["Remove crust from bread and cut into 1-inch squares.", "In double boiler, melt cheese and margarine.", "When creamy, fold in egg whites. Dip cubes into mixture and place on wax paper lined cookie sheet and freeze. When frozen, place in plastic bag and keep in freezer. To serve, bake at 450\u00b0 for 8 minutes."]
["bread", "cream cheese", "cheese", "margarine", "egg whites"]