INGREDIENTS
1 tsp
baking powder
1/2 tsp
baking soda
1
egg
1 1/2 tsp
espresso powder
1/2 cup
granulated sugar
1/2 cup
light brown sugar
2 1/2 cups
powdered sugar
1/4 tsp
salt
1/2 cup
strong coffee
1 cup
unsalted butter
1 tsp
vanilla extract
1/2 cup
whole milk