INGREDIENTS
1 1/2 cups
all-purpose flour
1/2 cup
unsweetened cocoa powder
1/2 tsp
baking soda
1/4 tsp
salt
1/2 cup
granulated sugar
1/2 cup
packed light brown sugar
1/2 cup
unsalted butter, at room temperature
1 cup
creamy peanut butter, divided
1 tsp
vanilla extract
1
large egg
1/2 cup
powdered sugar