1 stick butter
3/4 c. sugar
1 1/2 sq. unsweetened chocolate
1 tsp. vanilla
2 eggs
1 baked pie shell, cooled
Sweetened whipped cream or Cool Whip

Cream the butter and sugar in a bowl. Melt the chocolate over boiling water and stir into creamed mixture. Add vanilla. Add 1 egg and beat for 5 minutes or longer. Add remaining egg and beat for 5 minutes or longer. Pour into pie shell and top with whipped cream or Cool Whip. Chill.