Best Ever Chocolate Layer Cake Recipe
Ingredients INGREDIENTS CAKE 1 3/4 cups all-purpose flour, plus more for dusting 2 cups sugar 3/4 cup unsweetened cocoa powder 2 teaspoons baking soda 1 teaspoon baking powder 1 teaspoon kosher salt 1 cup buttermilk 1/2 cup vegetable oil 2 large eggs 1 teaspoon pure vanilla extract 1 cup freshly brewed hot coffee FROSTING 6 ounces semisweet chocolate, coarsely chopped 2 sticks (1/2 pound) unsalted butter, at room temperature 1 large egg yolk...