1 (3 oz.) pkg. each black cherry, orange, strawberry and lemon-lime Jello
1/2 c. sour cream or non-fat yogurt
1 (8 oz.) pkg. whipped cream

Boil 1 cup of water. Add black cherry Jello and stir until dissolved. Divide in half. Add 3 tablespoons water to one half and pour into 9x13 inch pan. Put in refrigerator and let set 1/2 hour.

After first layer has set, add 1/3cup sour cream to remaining Jello mixture. Pour over first layer and place in refrigerator. Let set 1/2 hour. Repeat with remaining Jello flavors. Top with whipped cream.