Apple Kuchen
["1/2 c. margarine, softened", "1 pkg. yellow cake mix", "1/2 c. flaked coconut", "1 (20 oz.) can pie-sliced apples or 2 1/2 c. sliced baking apples", "1/2 c. sugar", "1 tsp. cinnamon", "1 c. sour cream", "2 egg yolks or 1 egg"]
["Heat oven to 350\u00b0.", "Cut butter into dry cake mix until crumbly.", "Stir in coconut; pat mixture lightly into 9 x 13-inch pan, 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 yolks.", "Drizzle on apples (topping will not completely cover apples).", "Bake 25 minutes or until edges are light brown (do not overbake).", "Serve warm."]
["margarine", "yellow cake mix", "flaked coconut", "apples", "sugar", "cinnamon", "sour cream", "egg yolks"]