Light and Easy Chocolate Cheese-filled Angel Cake

Ingredients

 * 1 angel food cake
 * 1/3 cup sugar
 * 3 tbsp hershey's cocoa
 * 2 tbsp hot water
 * 1 1/2 tsp vanilla extract
 * 1 dry whipped topping mix
 * 1/2 cup skim milk

Directions
Prepare yogurt cheese. Cut angel food cake into 3 horizontal layers. In small bowl, stir together sugar, cocoa and hot water until smooth; stir in 1 teaspoon vanilla. Stir in yogurt cheese until well blended. Prepare whipped topping mix as directed on package, using ½ cup milk and remaining ½ teaspoon vanilla; fold into cocoa mixture. Spread cocoa mixture between layers and on top and sides of cake. Cover; refrigerate.