French Silk Pie

Directions

1. 1
   In a bowl, beat butter and sugar with an electric mixer on medium speed about 4 minutes or until fluffy.
2. 2
   Stir in chocolate and vanilla.
3. 3
   Add eggs, one at a time, beating on high after each addition and scraping sides of bowl constantly.
4. 4
   Transfer to baked pie shell.
5. 5
   Cover; chill for 5 to 24 hours or until set.
6. 6
   If desired, top with unsweetened whip cream and chocolate curls.