1/2 c. butter
3/4 c. sugar
2 sq. unsweetened chocolate
2 eggs
2 c. thawed Cool Whip
9 inch pie shell, baked and cooled

Cream butter and sugar. Stir in 2 squares chocolate, melted and cooled.

Add eggs, one at a time, beating 5 minutes after each at high speed.

Fold in Cool Whip. Pour into pie shell. Chill until firm, about 2 hours.