Preheat oven to 350F. In large mixing bowl stir together cake mix and Jell-O. Add eggs, oil and Sprite or 7-Up. Blend well. Pour batter into prepared 9 x 12 inch baking pan. Bake for 30-40 minutes.
In small bowl mix powdered sugar, mayonnaise and cherry juice Pour over cake in pan or after cake is on serving dish. Serve cool.
Cajun Country -- New Iberia, Louisiana