Hershey'S One-Bowl Buttercream Frosting
["6 Tbsp. butter, softened", "Hershey's cocoa*", "1/3 c. milk", "1 tsp. vanilla", "2 2/3 c. powdered sugar"]
["*One-third cup", "for", "light", "flavor,", "1/2 cup for medium flavor and 3/4 cup for dark flavor."]
["butter", "'s cocoa", "milk", "vanilla", "powdered sugar"]