Source: Sally's Baking Addiction (adapted slightly) Ingredients: 1 3/4 cups flour 3/4 cup unsweetened cocoa powder 1 3/4 cups sugar 2 teaspoons baking soda 1 teaspoon baking powder 1 teaspoon salt 2 teaspoons espresso powder 1/2 cup oil 2 eggs, room temperature 2 teaspoons vanilla 1 cup buttermilk, room temperature 1 cup freshly brewed hot strong coffee Directions: Whisk together the dry ingredients in a mixing bowl. Set aside. In another mixing bowl, use a stand mixer to whisk together the oil, eggs and vanilla on medium-high speed until combined. Add the buttermilk and whisk until combined. Slowly add the dry ingredients to the wet ingredients, a little at a time, whisking each time until combined. Slowly add the coffee, a little at a time, whisking each time until combined. Batter will be thin. Spray 2 8 or 9 inch cake pans with cooking spray, line the bottoms with parchment paper, and spray again. Divide the batter evenly between the pans. Bake at 350 for 23-26 mi...