Ingredients

The following ingredients have 12 Servings
  • 4 whole eggs
  • 2 large egg yolks
  • 1 ¼ cups buttermilk ((297 ml, 10 fl oz))
  • 2 teaspoons pure vanilla extract
  • 3 cups cake flour (, sifted (360 grams))
  • 2 cups granulated sugar ((400 grams))
  • 4 ½ teaspoons baking powder
  • ½ teaspoon salt
  • 1 cup unsalted butter (, at room temperature (226 grams))
  • 6 oz unsweetened chocolate (, melted and cooled (180 grams))
  • 4 ½ cups powdered sugar ((563 grams))
  • 1 ½ cups unsalted butter (, at room temperature (340 grams))
  • 6 tablespoons whole milk or half and half ((90 ml))
  • 1 tablespoon vanilla extract

Instruction