Peel the banana's, slice them thinly, drizzle the lemon juice over them, and put them in the punch bowl. Add the sugar, rum, and liqueur and mix everything together. Add 1 bottle of white wine, cover, and refridgerate the infusuion for 2 hours. Add the remaining white wine, stir, and add the sparkling wine or champagne.
Serve in a Punch Bowl