INGREDIENTS
1
and 1/4 cups (160g) all-purpose flour (careful not to overmeasure)
1/2 cup
unsweetened natural cocoa powder
1 tsp
baking soda
1/8 tsp
salt
1/2 cup
unsalted butter, softened to room temperature
3/4 cup
granulated sugar
1/4 cup
packed light brown sugar
1
large egg, at room temperature
1 tsp
vanilla extract
1/4 cup
unsalted butter, softened to room temperature
1/4 cup
vegetable shortening, room temperature
1
and 3/4 cups (210g) confectioners' sugar
1 tsp
vanilla extract