9 inch pastry crust, baked

FILLING:

3 sqs. unsweetened chocolate
1 c. butter
1 1/2 c.sugar
4 lg. eggs
2 tsp. vanilla

Bake pastry crust in 9 inch pie pan. Cool. Melt chocolate and let cool. Cream 1 cup butter and sugar. Add cooled chocolate. Add eggs to filling, 1 at a time and beating 5 minutes after each addition. Stir in vanilla. Turn into prepared pie shell. Freeze until ready to serve. Top with whipped cream. Serves 8.