1 cup brown sugar
3 cups mashed sweet potatoe
1/2 cup butter
1/2 cup of milk
3 eggs, beaten
1 teapoon cinnamon
1/2 teapoon nutmeg
1/4 teaspoon cloves
1 teaspoon vanilla

Cream your butter. Then add sweet potatoe and sugar, mixing well. Next add in eggs. Next stir in the milk. Add your spice and vanilla being sure to mix well.
Pour into 2 unbaked pie shells. Bake at 350 for about 40mins to an hour, or until knife comes out clean.