INGREDIENTS
1/2 cup
butter, softened
1/2 cup
granulated sugar
1/2 cup
packed brown sugar
1
large egg, at room temperature
1 tsp
vanilla extract
1 cup
all purpose flour
1/2 cup
+ 2 Tbsp unsweetened cocoa powder
1 tsp
baking soda
kosher salt
2 tbsp
milk
1 1/4 cups
mix of white chocolate chips and Reese's pieces candies