This easy recipe for Strawberry Champagne Cake is perfect for a last-minute dessert. The cake is made with a boxed white cake mix, champagne, and fresh strawberries. The frosting is made with whipped cream and powdered sugar, and is light and fluffy. To make the cake, simply mix the cake mix, champagne, and strawberries together, and bake according to the package instructions. Once the cake is cooled, frost it with the whipped cream frosting. This cake is perfect for a summer barbecue or a casual dinner party.