6 pkgs. Jello (3 oz. size)
1 lg. carton sour cream

Dissolve 1 package Jello in 1 cup hot water. Mix 1/2 cup hot Jello with 1/3 cup sour cream. Pour into Pyrex 9x13 pan. Let set for 30 minutes. Use remaining 1/2 cup hot Jello and 3 tbsp. cold water; mix and pour on top of first layer. Let set 30 minutes. Alternate remaining boxes of Jello for layers. (Example: 3 boxes of lime and 3 boxes of cherry for Christmas salad.)