Step 1

Cook sweet potato in boiling water to cover 30 minutes or until tender; drain.

Step 2

Beat sweet potato and butter at medium speed with an electric mixer until smooth. Add eggs and next 6 ingredients, beating well. Pour mixture evenly into each piecrust.

Step 3

Bake at 350° on lower oven rack for 45 to 50 minutes or until set. Garnish, if desired.