1 pie shell
1/2 cup butter, soft
3/4 cup sugar
4 Tablespoons cocoa
1 teaspoon vanilla
Hershey Bar, curls
Cream butter and sugar together until light and creamy.
Add cocoa and vanilla. Beat 5 minutes.
Add eggs, one at a time beating 5 minutes after each.
Pour in pie shell. Freezae 1 hour.
Top with cool whip and chocolate curls.