In a large stockpot, combine your apples, cinnamon, nutmeg, salt, 1/4 cup water, and Splenda sweetener. Mix to coat apples well.
Cook over medium heat for 5-7 minutes or until apples begin to become tender.
While apples are cooking down, in a small bowl, mix together the cornstarch and 1/4 cup water until they become a slightly thin paste.
Mix cornstarch into apples and coat well. Remove the apple mixture from heat and set aside.
Layer 5 of your Phyllo sheets into a 9″ pie plate spraying with non-stick spray between layers.
Pour apples over the layered Phyllo dough sheets, and the top with additional 5 layers following method of layering and spraying between layers as before.
Spray the top of the pie with non-stick cooking spray before placing in oven at 400°F for 25-30 minutes.