Mother's Ruin Punch

8
Servings

Ingredients

  • 1/2 Cup granulated sugar
  • 3/4 Cup chilled club soda
  • 1 1/2 Cup gin
  • 1 1/2 Cup fresh grapefruit juice, plus 3 thinly sliced grapefruit wheels, for garnish
  • 3/4 Cup fresh lemon juice
  • 3/4 Cup sweet vermouth
  • 2 1/4 Cup chilled Champagne or sparkling wine
  • Ice