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.