Pumpkin Custard Pie

INGREDIENTS

• 1/4 teaspoon ground cardamom
• 1/4 teaspoon ground cinnamon, plus extra for dusting
• 1/4 teaspoon ground nutmeg
• 1 stick cold unsalted butter, cut into 1/4-inch pieces
• 1/4 cup Steen's cane syrup
• 2 tablespoons solid vegetable shortening
• 3 tablespoons ice water
• 8 ounces all-purpose flour, about 1 1/2 cups plus 2 tablespoons
• 2 cups canned pumpkin puree
• 1 tablespoon vanilla extract
• 1 cup light brown sugar
• 1 tablespoon granulated sugar
• 2 tablespoons bourbon
• 1/4 cup whole milk
• 1 recipe Basic Sweet Pie Crust, recipe follows
• 1/4 teaspoon ground allspice
• 1/2 cup dark brown sugar
• 1/4 teaspoon salt
• 1/4 teaspoon ground ginger
• 4 eggs, lightly beaten
• Whipped cream, for serving
• 1/2 cup heavy cream