Bourbon Sweet Potato Pumpkin Pie | CarnalDish

Ingredients

• 2 1/2 cups (12 1/2 ounces) all-purpose flour
• 1 teaspoon fine sea salt
• 2 tablespoons granulated sugar
• 16 tablespoons (2 sticks) cold unsalted butter, cubed
• 1/2 cup cold whole buttermilk, plus more if needed
• 1 cup pumpkin puree (not pumpkin pie filling)
• 1 cup sweet potatoes, cooked and mashed (SEE NOTE)
• 1 1/4 cup + 2 tablespoons evaporated milk
• 2 1/2 – 3 tablespoons good quality bourbon
• 2 teaspoons vanilla extract
• 1 vanilla bean, optional
• 3 large egg yolks
• 1 large egg
• 1/4 cup pure maple syrup
• 1/2 cup packed light brown sugar (SEE NOTE)
• 1/2 cup granulated sugar (SEE NOTE)
• 2 tablespoons all-purpose flour
• 1/2 slightly heaping teaspoon fine sea salt
• 1 teaspoon ground cinnamon
• 1 teaspoon ground ginger
• 1/4 teaspoon ground nutmeg
• 1/8 teaspoon ground cloves
• tiny pinch of cayenne pepper
• Flaky sea salt, for finishing (optional)