Cake Mix Cookies

1 box any flavor cake mix
1 egg
1 (8 oz.) container whipped topping
1 c. powdered sugar

Combine cake mix, egg and whipped topping in large bowl; stir until just mixed. Place powdered sugar in a bowl. Drop spoonfuls of cookie batter into powdered sugar. Roll to coat and transfer to greased cookie sheet. Bake in preheated 325° oven for 12-14 minutes.