Chocolate Peppermint Pie

Ingredients
1 ready made vanilla wafer crust
1 cup softened butter
2 cups sifted powdered sugar
4 ounces unsweetened chocolate
4 eggs
3/4 teaspoon peppermint extract
2 teaspoons vanilla

Directions
In a large mixing bowl, beat butter and sugar together until light and fluffy. Melt chocolate in a double boiler and add to the butter mixture; beat thoroughly. Add the eggs one at a time, beating well after each egg. Fold in peppermint and vanilla. Pour filling into crust and refrigerate for 2 hours.