1-Preheat the oven to 375 F: Preheat the oven to 375 F. Line baking sheets with parchment paper and set aside.
2-To make the pumpkin pie filling in: To make the pumpkin pie filling in a bowl stir together reduced pumpkin puree, granulated sugar, brown sugar, cinnamon, ginger, nutmeg allspice and egg yolks to blend evenly.
3-Unfold puff pastry on lightly floured surface,: Unfold puff pastry on lightly floured surface, spread out the sheet so that it is flat. Roll out just slightly, using a rolling pin, then spread half of filling on each sheet.
4-Starting on the wider side with a: Starting on the wider side with a pizza cutter or a sharp knife, cut into long triangles (triangles should be about 2 ¾ -3 inches wide and about 9-10 inches high).
5-Gently roll each triangle into a crescent: Gently roll each triangle into a crescent and arrange onto the baking sheet leaving 2 ½ inches apart.
6-Bake 15 minutes or until golden brown: Bake 15 minutes or until golden brown. Serve warm. Dust with powdered sugar if desired.