2 cups half-and-half cream
1 cup lemon juice
1 cup white sugar
2 liters lemon-lime flavored carbonated beverage
1 pint lemon sherbet
In a blender combine bananas, half-and-half, lemon juice and sugar. Bend until smooth.
Pour the banana mixture into a large punch bowl. Gently stir in the carbonated beverage. Scoop out sherbet and float on top. Serve immediately.