Rainbow Jello
["5 pkg. assorted Jell-O", "6 1/4 c. boiling water", "1/2 c. sour cream"]
["Add 1 package Jell-O to 1 1/4 cups boiling water.", "Dissolve well.", "Into a large glass bowl or mold, pour 3/4 cup of Jell-O. Chill 15 minutes or until slightly firm.", "Add 3 tablespoons sour cream to remaining Jell-O.", "Pour on top of jelled Jell-O."]
["O", "boiling water", "sour cream"]