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