You’ll Need:1 x Yellow cake mix 1/2 cup Butter, softened 1 x 20-ounce can pie apples, drained 1 tsp Cinnamon 2 x Egg yolks 1 cup Sour cream Directions : Preheat oven to 350 degrees. Cut butter into dry cake mix until crumbly. Pat mixture lightly into ungreased 13″ x