INGREDIENTS
1
Egg, large
1 cup
All-purpose flour
1 tsp
Baking powder
1/4 tsp
Baking soda
1/4 cup
Brown sugar, packed
1/2 cup
Cocoa powder
1/4 cup
Granulated sugar
2 cups
Icing sugar
1/4 tsp
Salt
2 tsp
Vanilla
1
Oil
2 1/2 tbsp
Butter, unsalted
1/3 cup
Buttermilk
1/4 cup
Heavy cream or half and half