Classic French Silk Pie - cooking recipe

Ingredients

1 c. granulated sugar
3/4 c. butter, softened *
1 1/2 tsp. vanilla
1/4 tsp. cream of tartar
3 sq. (1 oz. each) unsweetened chocolate, melted and cooled
3 eggs
1 c. chilled whipping cream
2 Tbsp. powdered sugar

Preparation

Bake pie shell; cool.
Beat granulated sugar and butter in 1 1/2-quart bowl until light and fluffy.
Stir in vanilla, cream of tartar and chocolate.
Beat in eggs until light and fluffy, about 3 minutes.
Pour into pie shell.
Refrigerate until set, 3 to 4 hours.
Or cover with plastic wrap and freeze at least 8 hours.