Ingredients

The following ingredients have 15 Servings
  • 1 1/2 cups granulated sugar
  • 1/4 cup plus 2 tablespoons vegetable oil
  • 2 large eggs
  • 2 teaspoons Pure Vanilla Extract
  • 1/3 cup sour cream
  • 1 large Orange, zested
  • 1 3/4 cups all-purpose flour
  • 2 1/4 teaspoons baking powder
  • 3/4 teaspoon salt
  • 1/2 cup buttermilk 
  • 2/3 cup champagne
  • 3 cups unsalted Butter, at room temperature
  • 10 large egg whites, at room temperature
  • 2 1/2 cups granulated sugar
  • 1 tablespoon vanilla bean paste, or pure vanilla extract
  • 2 large Oranges, zested

Instruction