1. Beat together cream with vanilla and sugar in a medium-size bowl until stiff peaks form.
2. Spread 1/2 tablespoon whipped cream on each wafer. Stack together on edge to form 14-inch-long log.
3. Frost with remaining whipped cream. Chill for 4 to 6 hours.
4. Garnish with chocolate curls. Slice at 45 degree angle to serve.Note:
5. Frozen whipped topping, thawed, may be substituted for whipped heavy cream and granulated sugar. Stir the vanilla into the whipped topping.