1 (4-serving size) pkg. Jello vanilla flavor pudding and pie filling
1 (4-serving size) pkg. Jello Grand 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 Birds Eye Cool Whip Whipped Topping
1 prepared 9-inch 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 whipped topping. Spoon into crust. Freeze 1 hour or chill in refrigerator 3 hours before serving. Garnish with remaining whipped topping and lime slices, if desired.