Lemon Poof Cookies (Lemon Coolwhip Cookies)! The best on the planet. Quick and easy! You need one normal sized box of lemon cake mix, one 8 ounce container of cool whip, one egg, and some powdered sugar. You mix the cake mix, cool whip, and egg till it is fully mixed. You next roll small balls of the batter in the powdered sugar. Continue this step untill all of the batter is gone. Bake in the oven for 10-12 minutes, or untill they are cooked the way you like them...try with red velvet!