In a food processor, pulse together the flour, baking powder and salt. Add the shortening and butter. Pulse until the mixture resembles cornmeal.
In a small bowl, whisk together the milk and condensed milk. With the processor running slowly add the milk mixture and continue to pulse until the dough just comes together.
Turn the dough out onto a large piece of plastic wrap. Use the plastic wrap to turn the dough over a few times, until it no longer has dry bits of flour visible and is smooth. It's important the dough be rather smooth- otherwise, when you roll it out for your pies, the dough will crack. Wrap the dough in plastic wrap and let it rest in the refrigerator for at least 20 minutes before using.
PREPARE THE FILLING:
Melt the butter in a large skillet. Add the apples, sugar and salt. Saute and stir for about 2 minutes.
Add the water and spices. Let simmer for an additional 3 to 5 minutes. Then let cool completely before using as a filling for the hand pies.
ASSEMBLE THE HAND PIES:
Preheat the oven to 350℉. Divide the dough evenly into 12 pieces. Roll each piece into a 4-inch round and place the rounds on a parchment-lined sheet pan. With a pastry brush, brush the egg wash along the outside edge of the dough rounds. Place 2 tablespoons of filling onto the middle of each round. Fold the dough over, creating a half moon, and seal the pastries by pressing gently along the edges of each with the tines of a fork. Brush the outsides of the pastries with egg wash and sprinkle with turbinado or sparkling sugar.
Bake for 20 minutes, or until golden brown. Allow the hand pies to cool completely.