Ingredients
FOR CAKE:
1 box white cake mix
1⁄3 cup vegetable oil
1 ¼ cups dry sparkling wine or champagne
4 egg whites
FOR FROSTING:
1 cup unsalted butter, softened
3 cups powdered sugar
Pinch of salt
½ tsp LorAnn Organic Madagascar Vanilla Extract
¼–½ tsp LorAnn Sparkling Wine Super-Strength
Milk or cream, if needed
Silver and white decorations, such as edible glitter or sanding sugars