1 package Jell-O orange flavor gelatin
3/4 cup boiling water
1/4 cup cold water
1 medium banana, sliced
1 pint vanilla ice cream
1/2 cup thawed Cool Whip
Dissolve gelatin in boiling water. Combine water and ice to make 1-1/4 cups. Add to gelatin; stir until slightly thick.
Remove unmelted ice; add banana slices; chill.
Just before serving, alternately spoon ice cream and gelatin mixture into 4 tall glasses; end with gelatin mixture. Garnish with whipped topping. Makes 4 servings.