Candy Bar Angel Cake
["1 pkg. angel food cake mix", "1 c. milk", "1 (4 serving size) pkg. milk chocolate instant pudding and pie filling", "2 c. frozen whipped topping, thawed", "1 (1.4 oz.) bar chocolate-covered toffee candy bar, chopped"]
["Bake and cool cake as directed on package for angel food cake. Remove from pan. Split cake horizontally to make 2 layers. (To split, mark side of cake with toothpicks and cut with long, serrated knife.)"]
["angel food cake mix", "milk", "milk chocolate", "frozen whipped topping"]