Chocolate Layered Angel Food Cake

Directions

1. Prepare and bake cake according to package directions, using an ungreased 10-in. tube pan. Cool.
2. For filling, in a small saucepan, combine the marshmallows, candy bars and milk. Cook and stir over low heat until marshmallows are melted. Transfer to a small bowl; cool to room temperature. Fold in 3/4 cup whipped topping.
3. Cut cake horizontally into three layers. Place bottom layer on a serving plate; spread with a third of the filling. Repeat layers twice. Refrigerate for at least 1 hour.
4. Frost top and sides of cake with remaining whipped topping.