Bellini Cupcakes - Paula Deen

Ingredients

• 3 large egg whites room temperature
• 1 cup Champagne
• 1½ cups cake flour
• ¾ cup sugar
• 2 teaspoons baking powder
• ¼ teaspoon salt
• ½ cup unsalted butter, room temperature
• 1 (15-ounce) can sliced peaches
• ½ cup + 2 tablespoons unsalted butter, room temperature
• 3 cups powdered sugar
• 2 teaspoons vanilla extract
• white sanding sugar, for topping