1Mix all ingredients together.
1Food Processor: Pulse flour, sugar, and salt. Add butter pieces and pulse until texture is like coarse meal. Add the water a bit at a time until dough comes together in clumps. (You may not use all the water, but you'll use most of it). Form into a square, wrap in plastic, and chill until firm (about 2 hours). Can be made 3 days ahead. Let stand at room temperature for 10-15 minutes before rolling out.
1Roll out dough to be a quarter inch thick and cut out 4" circles. Leave 1/4 of dough to roll out for letters to decorate (optional). Refrigerate.
2Roll dough, cut letters. Refrigerate.
3Prep egg wash.
4Start with dough round and brush egg wash on the perimeter of the circle.
5Add dollop of apple filling in the center of the dough.
6Fold and crimp with a fork to seal the hand pie. With a knife, poke 3 small holes on the top.
7Egg wash the outside of the dough. Adhere letters to hand pie.
8Egg wash letters. Dust with sanding sugar.
9Bake at 350 degrees F for 25 to 30 minutes.