Buttermilk Pie

Bahan-bahan (12 porsi)

• 1 unbaked whole wheat pastry crust (or 9-inch pie crust of choice)
• 3 large eggs (at room temperature)
• 1 cup , plus 2 tablespoons granulated sugar
• 3 tablespoons all-purpose flour
• 1/4 teaspoon kosher salt
• 1/2 cup unsalted butter (melted and cooled)
• 3/4 cup low fat buttermilk
• 2 tablespoons whiskey (such as bourbon, or rum, or additional 1 1/2 teaspoons pure vanilla extract)
• 1 teaspoon lemon zest ((from about 1 small lemon))
• 1 tablespoon freshly squeezed lemon juice
• 2 teaspoons pure vanilla extract
• 1/8 teaspoon nutmeg (freshly grated if possible)
• Homemade whipped cream (optional, for serving)