Charged-Up Chocolate Syrup Cake
["1 box Devil's Food cake mix", "1 (14 oz.) can sweetened condensed milk", "1 can chocolate syrup", "8 oz. container of whipped topping"]
["Bake cake as directed on box.", "While cake is hot, pour on 1/2 to 3/4 can of chocolate syrup and whole can of milk.", "Mix remaining chocolate syrup with whipped topping.", "When cake has completely cooled, spread mixture on top.", "Refrigerate."]
["cake", "condensed milk", "chocolate syrup", "topping"]