01 - 
                Preheat oven to exactly 350°F and prepare two 9-inch cake pans with parchment paper circles.
              
              
              
                02 - 
                Whisk together flour, cocoa, sugar, baking soda, baking powder, salt and espresso powder thoroughly.
              
              
              
                03 - 
                Mix oil, eggs and vanilla until completely combined using mixer with whisk attachment.
              
              
              
                04 - 
                Add buttermilk to wet ingredients and mix until fully incorporated.
              
              
              
                05 - 
                Pour wet ingredients into dry ingredients while adding hot coffee.
              
              
              
                06 - 
                Whisk batter until completely smooth, noting that batter will be quite thin.
              
              
              
                07 - 
                Divide batter evenly between prepared pans, using scale if available.
              
              
              
                08 - 
                Bake 23-26 minutes until toothpick inserted in center comes clean.
              
              
              
                09 - 
                Cool cakes completely in pans on wire rack before removing.
              
              
              
                10 - 
                For frosting, beat softened butter until creamy, about 2 minutes.
              
              
              
                11 - 
                Gradually add confectioners' sugar, cocoa, cream, salt and vanilla.
              
              
              
                12 - 
                Beat frosting on low then high speed until proper consistency achieved.
              
              
              
                13 - 
                Level cake layers if needed by trimming domed tops.
              
              
              
                14 - 
                Stack layers with frosting between and coat entire cake with remaining frosting.
              
              
              
                15 - 
                Refrigerate cake 30-60 minutes before slicing to set shape.