Pie crust: You can make from scratch or buy one already made (uncooked).

Pie filling:
2 cups mashed cooked sweet potatoes (about a pound)
2 large eggs
1/4 cup granulated sugar
1/2 cup heavy cream
1/4 cup unsalted butter, melted
3 tablespoons all-purpose flour
2 tablespoons brandy
1 1/2 teaspoon ground cinnamon
1 1/4 teaspoon ground nutmeg
1/2 teaspoon allspice
1 teaspoon Vanilla
1/3-1/2 cup pecan halves

Nut mixture:
1 cup finely ground pecans
1 tablespoon light corn syrup (karo syrup)
1 tablespoon unsalted butter, melted

Blend ingredients for pie filling together set aside.
Blend ingredients for nut mixture together, set aside.
Prepare a 10" pie shell, spread nut mixture evenly on the bottom, pour pie filling over until pie shell is nearly full. Bake at 375 for about an hour plus or minus, pie is ready when you put a knife in the middle and it comes out clean.