Easy Chocolate Frosting
["6 Tbsp. milk", "1 stick butter", "3 Tbsp. cocoa", "1 box powdered sugar"]
["Melt butter and cocoa. Add milk and boil for 3 minutes.", "Add the powdered sugar slowly with mixer.", "If icing gets stiff, add a few drops of water."]
["milk", "butter", "cocoa", "powdered sugar"]