PREHEAT oven to 325°F. Place chocolate in large microwaveable bowl. Stir in cream. Microwave on MEDIUM 2 min. or until chocolate is almost melted. Stir until chocolate is completely melted and mixture is well blended; cool slightly.
ADD eggs, sugar and flour; beat with wire whisk until well blended. Pour into lightly greased 9-inch pie plate.
BAKE 35 min. or until edge of pie is puffed but centre is still slightly soft; cool completely. Cover and refrigerate at least 1 hour. Serve topped with the whipped topping. Store leftovers in refrigerator.
serving size = 1 piece (94 g)