1 (6 oz.) can limeade, thawed
1 (16 oz.) c. condensed milk
1 sm. c. whipped topping (Cool Whip)
1 graham cracker pie shell

Combine limeade and condensed milk, fold in whipped topping and fill pie shell with mixture. Garnish with lime slices or grated chocolate. Chill at least 2 hours before serving. Easy.