Sweet Potato Pie - cooking recipe

Ingredients

3 c. cooked, mashed sweet potatoes
2 Tbsp. butter or margarine, softened
2 c. sugar
1 tsp. baking soda
1 tsp. baking powder
1 tsp. ground cinnamon
1/4 tsp. ground allspice
1/4 tsp. ground cloves
1/4 tsp. ground nutmeg
1 c. buttermilk
3 eggs, slightly beaten
1 tsp. vanilla extract
2 unbaked 9-inch pastry shells
whipped topping (optional)
coarsely chopped pecans (optional)

Preparation

Combine first 9 ingredients, beat at medium speed with an electric mixer until smooth.
Stir in buttermilk, eggs and vanilla.
Pour sweet potato mixture in pie shells.
Bake at 400\u00b0 for 10 minutes.
Reduce heat to 350\u00b0 and bake for 35 minutes. Place foil on edges if pastry is browning too much.
Cool completely.
Garnish pie with whipped topping and pecans, if desired.