Storage: Because of the Jell-O, this poke cake must be kept chilled. Tightly cover the cake and keep in the refrigerator for 2–3 days.
Cupcake Version: Instead of making a 9-x-13-inch cake, make cupcakes according to the directions on the cake mix box. Once cupcakes have cooled, poke them with a fork or skewer, drizzle Jell-O into the holes and chill as directed above before adding whipped topping.