1 pkg. (3 oz.) vanilla pudding & pie filling
1 pkg. (3 oz.) lime flavor gelatin
2 c. water
1/4 c. sugar (optional)
1 1/2 tsp. grated lime rind
2 tbsp. lime juice
3 1/2 c. thawed whipped topping

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 whipped topping.

Spoon into crust. Freeze 1 hour or chill 3 hours before serving. Garnish with remaining whipped topping and lime slices is desired.