INGREDIENTS
1/2 cup
+ 2 tbsp unsalted butter, at room temperature
2/3 cup
granulated sugar
1/2 cup
brown sugar
1
egg
1 1/2 tsp
vanilla extract
1 1/2 cups
all-purpose flour
1/2 tsp
baking powder
1/4 cup
+ 2 tbsp unsweetened cocoa powder
1 cup
peanut butter chips