1. Make the crust first. Melt chocolate and butter in the microwave.
2. Mix in Rice Krispies. Quickly press mixture into a 9 inch pie plate. The bottom and up the sides.
3. Freeze for 1-2 hours or until hard.
4. Then blend first five filling ingredients well.
5. Fold in Cool Whip and pour into frozen crust.
6. Top with real whipped cream and chocolate shavings or a dusting of cocoa powder.
7. Serve cold.