Beatty's Chocolate Cake With Chocolate Frosting Recipe - Food.com

Ingredients

• butter, for greasing pans or margarine, for greasing the pans
• 1 3/4 cups all-purpose flour, plus more
• all-purpose flour, for the pans
• 2 cups sugar
• 3/4 cup good-quality cocoa powder
• 2 teaspoons baking soda
• 1 teaspoon baking powder
• 1 teaspoon kosher salt
• 1 cup buttermilk, shaken
• 1/2 cup vegetable oil
• 2 extra-large eggs, at room temperature
• 1 teaspoon pure vanilla extract
• 1 cup freshly brewed hot coffee
• chocolate frosting
• 6 ounces good-quality semisweet chocolate (such as Callebaut)
• 1/2 lb unsalted butter or 1/2 lb unsalted margarine, at room temperature
• 1 extra-large egg yolk, at room temperature
• 1 1/4 cups sifted confectioners' sugar
• 1 tablespoon instant coffee powder