This is as good as a Sweet Potato Pie gets.  The butter gives it a wonderful richness.  You can feel proud to serve this to family or company!

SWEET POTATO PIE

1 Unbaked Pie Shell (homemade is best)
2 C. Cooked Sweet Potatoes, mashed
3/4 C. brown sugar
1/4 C. melted butter (1/2 stick)
2 large Eggs
3/4 C. Evaporated Milk
1 t. Vanilla
1/2 t. Salt
1/2 t. ground Ginger
1/2 t. ground Cloves
1 t. Cinnamon

Heat oven to 425.  Mix brown sugar, cinnamon, salt, ginger & cloves in bowl.  In a large bowl, beat eggs with a fork or whisk till well blended & slightly frothy.  Stir in the sweet potatoes and the sugar mixture.  Gradually stir in the evaporated milk, vanilla and melted butter until well blended.  Pour mixture into pie shell.  Bake the pie for 15 minutes, then lower the temperature to 350.  Bake for another 40-50 minutes, or until knife comes out clean when inserted near the center.  Let cool on a rack.  Serve as is or with whipped cream. 
Makes one 9″ Pie.