Candy Bar Pie

6 chocolate bars with almonds (1.45 oz. each)
1 container (8 oz) frozen whipped topping, thawed
1 T vanilla
1 prepared graham cracker crust (can be 8 or 9 in.)
Shaved chocolate, optional

In a double boiler or microwave oven, melt chocolate bars. Quickly fold into the whipped topping. Stir in vanilla. Spoon into pie crust. Garnish with shaved chocolate. Chill until ready to serve. Serves 6-8