Preheat oven to 350 degrees F and place rack in the middle of the oven.

Add 2 cups sweet potato purée to a medium bowl with the rest of the filling ingredients – ½ cup melted butter, ½ cup light brown sugar, ½ cup granulated sugar, 2 large eggs (whisked), 1 tablespoon maple syrup, ½ teaspoon ground cinnamon, ¼ teaspoon ground nutmeg, ¼ teaspoon kosher salt and ½ cup whole milk – and whisk until well combined and smooth.

Pour filling into prepared 9-inch unbaked pie shell. Place on the middle rack of preheated oven and bake for 50 minutes to 1 hour, until center is set. You’ll want to cover the exposed pie crust after about 40 minutes to keep it from burning.

Let cool for at least 1 hour and decorate with whipped topping (optional) to serve. Store leftovers covered in the refrigerator.