3/4 c. butter, softened
1 c. sugar
3 (1 oz.) squares unsweetened chocolate, melted and cooled
1 1/2 tsp. vanilla
3 eggs
1 c. whipping cream
2 tsp. powdered sugar

Cream butter and sugar, beat until light and fluffy. Blend in chocolate and vanilla. Add eggs, one at a time, beating 2 minutes after each addition. Beat 1/2 cup whipping cream, fold into chocolate mixture. Pour into pie shell. Refrigerate 4 hours. Garnish with remaining whipped cream and powdered sugar whipped until stiff.