Gound cinnamon for garnish Preheat oven 350` Prepare cake mix according to direciton, stir in apple. Pour batter into a well-greased and floured 9x13" baking dish. Bake for 30 min. or until wooden toothpick inserted in cneter come out clean. Meanwhile in a med. sized bowl, combine sweetened condensed milk sour cream and lemon juice. After cake is removed from oven spread milk sour cream mixture over top. Return cake to oven and bake for 10 min. more or until set, like custard. Sprinkle with cinnamon. cool completely. Store in the refrigerator. As Mr.Food says."OOH it's so GOOD" 12 servings. ----