1 pkg. vanilla pudding & pie mix
1 pkg. lime flavored gelatin
2 c. water
1/4 c. sugar
1 1/2 tsp. grated lime rind
2 tbsp. lime juice
3 1/2 c. thawed Cool Whip
1 prepared 9" chocolate crumb crust

Combine pie filling mix, gelatin, sugar and water in saucepan. Cook and stir over medium heat until mixture comes to a full boil. Add lime rind and juice. Pour into bowl. Cover with plastic wrap and chill until cold and slightly thickened. Fold in 2 1/2 cups of the Cool Whip. Spoon into crust. Freeze 1 hour or chill in refrigerator 3 hours before serving. Garnish with remaining Cool Whip and lime slices.