Prepare AA Cake Mix as directed on package with water and butter. Pour half the batter in greased 8 x 8 baking pan. Mix sugar with cinnamon. Sprinkle half the cinnamon mixture over first layer of batter. Dollop remaining batter over cinnamon layer; spread evenly. Sprinkle remaining cinnamon mixture over last layer of batter. Bake at 325° for 50-55 minutes. Cool completely. Makes 9 servings.