Ingredients  2 cups sugar 1 3/4 cups all-purpose flour 3/4 cup unsweetened cocoa powder 2 teaspoons baking soda 1 teaspoon baking powder 1 teaspoon salt 2 eggs 1 cup buttermilk 1 cup strong coffee 1/2 cup vegetable oil 3 teaspoons vanilla extract frosting 230 grams unsalted butter, softened (but not melted) 3 1/2 cups confectioners […]