1750mL bottle of chilled champagne, as dry or sweet as you’d like it
6ouncesGrand Marnier liqueur
6 ouncesclub soda
crushed ice for serving
Combine all ingredients together and stir gently. You can make this an hour or so ahead, but it’s great when made right away too! Serve in chilled champagne glasses garnished with blackberries and grapefruit wedges.