INGREDIENTS
1
Chocolate espresso beans
4
Eggs, large
3 cups
All-purpose flour
1 tsp
Baking powder
1 tsp
Baking soda
3/4 cup
Cocoa powder, unsweetened
1
Coffee meringue buttercream
1 1/2 tsp
Kosher salt
2 1/4 cups
Sugar
4 tsp
Vanilla extract, pure
3/4 cup
Coffee or espresso, hot
3/4 lb
Butter, unsalted
1 cup
Sour cream