Cutler's Chocolate Frosted Peanut Butter Cookies

butter (, room temperature)

brown sugar

white sugar

salt

baking powder

baking soda

vanilla

eggs

cake flour ((see notes for homemade cake flour substitution))

bag Reese's Peanut Butter chips ((no substitutions))

butter (, soft-room temperature)

powdered sugar

creamy peanut butter ((not natural))

milk to thin to proper consistency

butter (, softened)

powdered sugar

unsweetened cocoa ((or less if you like a lighter cocoa frosting))

vanilla

milk ((more if needed))