Preheat over to 350 degrees. Grease and flour rectangular pan, 13x9x2".
Beat cake mix (dry ) pie filling and eggs in a large bowl on low speed 2 min. Spread half of the batter in pan.
Mix sugar and cinnamon; sprinkle half of the mixture over batter in pan. Spread remaining batter in pan; sprinkle with remaining sugar-cinnamon mixture.
Bake 30 to 35 min. or until tooth pic inserted in center comes out clean.
Serve with whipped topping.
Hi Altitudes (3500 - 6500 ft) Stir 3 tbl. all purpose flour into dry cake mix. Bake 40-45 min.