Add eggs, vanilla, spices, and salt, and beat until all incorporated. Mix in evaporated milk and bourbon, then add the mashed roasted sweet potato. Whisk together by hand until smooth and creamy then pour the filling into your unbaked pie shell.
2 large eggs, 1 tablespoon vanilla extract, 2 teaspoon ground cinnamon, ½ teaspoon ground ginger, ¼ teaspoon freshly grated nutmeg, ⅛ teaspoon freshly cracked black pepper, ½ teaspoon kosher salt, 2 cups sweet potatoes, ½ cup evaporated milk, 1 tablespoon bourbon, 1 unbaked pie crust