The best chocolate cake full of chocolate flavor in a moist and fluffy cake.
2 1/2 cups plus 1 Tablespoon tablespoon all-purpose flour
3 cups sugar
1 cup + 1 tablespoon cocoa powder
1 tablespoon baking soda
1 1/2 teaspoons baking powder
1 1/2 teaspoons salt
3 eggs
1 1/2 cups buttermilk
1 1/2 cups black coffee, hot
3/4 cup vegetable oil
4 1/2 teaspoons pure vanilla extract
1 1/2 cups (3 sticks) butter, room temperature
3 and 1/2 cups powdered sugar
10 ounces milk chocolate, melted and cooled slightly