TO MAKE IN A 9X13" BAKING DISH:
Cut Angel Food Cake Mixture into one-inch cubes; set aside.
In a large mixing bowl, beat cream cheese and confectioners’ sugar with an electric mixer until smooth.
Add half of the Cool Whip and beat again with electric mixer.
Gently fold the cake cubes into the cream cheese mixture.
Stir until well mixed but don’t stir so hard that the cake cubes turn into crumbs!
Spread mixture evenly into an ungreased 9x13” glass baking dish.
Top with both cans of Key Lime pie filling.
Spread remaining whipped topping over top in a huge round mound.
Decorate top with fresh lime slices and maraschino cherries, if desired.
(Rinse and pat the cherries dry before using).
Cover and refrigerate at least two hours before cutting into squares.
TO MAKE IN A TRIFLE DISH:
Spread half of the angel food cake mixture into a trifle dish.
Spoon one can of Key Lime pie filling over top.
Spread remaining angel food cake mixture on top of the Key Lime pie filling.
Top with remaining can of Key Lime pie filling.
Spoon remaining whipped topping in center of the trifle dish leaving at least a two-inch border around the outside edge.
Place lime slices and maraschino cherries in the center of the whipped topping for garnish, if desired.
Refrigerate at least 2 hours or until ready to serve.