INGREDIENTS
1
Egg, large
1 1/2 cups
All-purpose flour
1/4 tsp
Baking powder
1 tsp
Baking soda
1 cup
Brown sugar, packed light
1 cup
Cocoa powder, Dutch-process
1 1/2 cups
Confectioners' sugar
1 tsp
Salt, fine
1 pinch
Salt, fine
2 tsp
Vanilla, pure
1
bar cream cheese
5/8 cup
Butter, unsalted
1 cup
Buttermilk
1/2 cup
Heavy cream