INGREDIENTS
2 1/4 cups
all purpose flour
1/2 cup
cocoa powder
1 tsp
baking powder
1/2 tsp
baking soda
1/4 tsp
salt
1/2 cup
butter
1/2 cup
granulated sugar
1/2 cup
light brown sugar
1 large
egg
1 tsp
vanilla extract
1 cup
milk
4 Tbsps
unsalted butter
1 cup
powdered sugar
2 Tbsps
heavy cream
7 1/2 ozs
marshmallow fluff