3 medium Fuji or other tart apples (peeled, cored and sliced 1/8-inch thick)
1 tablespoon fresh lemon juice
1/4 cup Sugar
1/4 teaspoon Chinese Five-Spice Powder
1/2 teaspoon ground cinnamon
1/4 teaspoon ground ginger
1/4 teaspoon ground allspice
  pinch salt
1/4 cup unsalted butter (1/2 stick)
1/4 cup heavy (whipping) cream
1/4 cup currants, Earthbound Farm Organic Raisins, or Dried Cranberries (optional)
1 puff pastry (10 by 15 inches)
1 egg (lightly beaten)