Wash, stem, and slice strawberries (use an egg slicer to get even slices).Place strawberries in medium bowl.
Using a reamer, juice orange into the bowl of strawberries.
Stir, adding Splenda, extract, vanilla, and cinnamon.
Stir berries in this juice very well and set aside to allow berries to macerate while you assemble the trifle.
Tear half of angel food cake into bite-size bits and place in bottom of trifle bowl.
Add half of strawberries followed by the other half of the angel food cake torn into bite size bits.
Place remaining strawberries on top of cake.Pour juice over the layers. Top with Cool Whip.
Chill until ready to serve.