Apple Kuchen
["1/2 c. butter or margarine, softened", "1 pkg. Betty Crocker yellow cake mix", "1/2 c. flaked coconut", "1 (20 oz.) can pie-sliced apples, well drained or 2 1/2 c. sliced, pared baking apples", "1/2 c. sugar", "1 tsp. cinnamon", "1 c. dairy sour cream", "2 egg yolks or 1 egg"]
["Heat oven to 350\u00b0.", "Cut butter into cake mix, dry, until crumbly. Mix in coconut.", "Pat mixture lightly into ungreased oblong pan, 13 x 9 x 2-inches, building up slight edges.", "Bake 10 minutes.", "Arrange apple slices on warm crust.", "Mix sugar and cinnamon.", "Sprinkle on apples.", "Blend sour cream and egg yolk. Drizzle over apples.", "Topping will not completely cover apples. Bake 25 minutes or until edges are light brown.", "Do not overbake. Serve warm.", "Makes 12 to 15 servings."]
["butter", "cake mix", "flaked coconut", "apples", "sugar", "cinnamon", "sour cream", "egg yolks"]