INGREDIENTS
1/2 tsp
baking powder
1 tsp
baking soda
2 1/4 cups
confectioners' sugar
1/2 cup
dutch process cocoa powder
1 large
egg
1 1/4 cups
flour
1 cup
granulated sugar
1/4 tsp
salt
1/2 cup
unsalted butter
1/2 cup
unsalted butter
1 tsp
vanilla extract
2 tsp
vanilla extract