1 - 12 oz. container Cool Whip
1 - 16 oz. container sour cream
1 - 6 oz. package Jell-O (any flavor)
In a large mixing bowl, mix sour cream with Jell-O. Combine well. Let it sit for 5 minutes, letting the Jell-O dissolve. Fold in Cool-Whip. Cover and store in refrigerator. Two different flavors can be made by splitting Cool-Whip and sour cream in half and using 2 (different flavors) 3 oz. packages of Jell-O.