Ingredients

The following ingredients have 14 Servings
  • 2 1/2 cups cake flour (or see substitution below if you only have all-purpose flour)
  • 1 1/4 teaspoons baking powder
  • 1 teaspoon salt
  • 1/4 teaspoon baking soda
  • 1 3/4 cups sugar, divided (plus extra for sugar-ing the pan)
  • 10 tablespoons unsalted butter, melted 
  • 1/2 cup buttermilk, room temperature
  • 1/2 cup rum
  • 3 tablespoons vegetable oil
  • 1 tablespoon vanilla extract
  • 6 large egg yolks, room temperature
  • 3 large egg whites, room temperature
  • 1/2 cup butter
  • 1/4 cup water
  • 1 cup white sugar
  • 1/4 cup rum

Instruction