01 -
Pulse sifted flour, sugar, and salt in a food processor. Whisk together egg, white vinegar, and ice cold water. Add cold butter to flour mixture and pulse until coarse crumbs form. Gradually add egg mixture while pulsing until dough just comes together.
02 -
Shape dough into a disc, wrap in plastic wrap, and refrigerate for 30 minutes to firm up.
03 -
Preheat oven to 375°F. Roll dough on lightly floured surface into a 12-inch circle. Transfer to a 9-inch pie plate, trim edges, and crimp decoratively.
04 -
Line crust with parchment and fill with pie weights or dried beans. Bake 15 minutes until lightly golden. Remove weights and parchment, brush crust with egg white. Lower oven to 350°F.
05 -
Whisk eggs, canned pumpkin, sour cream, vanilla, bourbon, cinnamon, salt, ginger, nutmeg, cardamom, and allspice until smooth.
06 -
Heat maple syrup to a simmer for 2-3 minutes until slightly thickened. Remove from heat and slowly whisk in heavy cream until smooth.
07 -
Whisk warmed maple cream into pumpkin mixture. Pour into pre-baked crust and bake at 350°F for 55-60 minutes until center is set but slightly jiggly. Cool to room temperature.
08 -
Refrigerate pie overnight to set flavors. Before serving, evenly sprinkle granulated sugar on top and caramelize with a kitchen torch until golden and crisp.
09 -
Slice and serve chilled or slightly warmed for a rich fall dessert.