1 baked 9-inch pie shell
6 squares (1-oz each) unsweetend chocolate
1 can (14-oz) sweetened condensed milk (fat-free would be a good idea!)
1 carton (8-oz) frozen whipped topping, thawed, divided
fresh berries or chocolate curls for garnish, if desired
Microwave chocolate in a large microwave-safe bowl on high for 1 to 1 1/2 minutes until melted and smooth (stir after every 30 seconds).
Whisk the sweetened condensed milk into the chocolate until smooth; let stand 2 minutes. Fold half the thawed whipped topping into the chocolate mixture. Pour into the prepared crust.
Cover and chill for 4 to 8 hours.
Before serving, spread the remaining whipped topping over the top of the pie. Garnish with fresh raspberries, blueberries, etc, if desired. May also garnish with chocolate curls, if preferred.