Pre-heat oven to 300 degrees, wrap sweet potatoes with tin foil, roast for about 1 ½ hours until you can insert a fork easily, let cool completely, remove foil and skin.
With a potato masher, mash sweet potatoes until smooth in a medium bowl.
In a large mixing bowl with a whisk, stir together eggs, light brown sugar, cream, melted butter, maple syrup, vanilla extract and salt, stir in sweet potatoes with a spatula.
Using a pastry brush, brush the inside of the pie crust with melted butter, pour in filling. Bake on a half-sheet pan at 300 degrees in the middle of the oven for about 1 ½ to 2 hours until a paring knife inserted in the center comes out clean.
Keyword 9"Pie Crust, Eggs, Heavy Cream, Light Brown Sugar, Maple Syrup, November, Salt, Sweet Potato, Sweet Potato Pie, Thanksgiving, Unsalted Butter, Vanilla Extract