Mother's Ruin (A Gin Punch) - SippitySup

Ingredients

• 8 white sugar cubes
• 2 ounces club soda
• 4 ounces London dry gin
• 2 ounces cinnamon orange tea-infused sweet vermouth (see below for recipe)
• 4 ounces freshly squeezed grapefruit juice (about 1 grapefruit)
• 2 ounces freshly squeezed lemon juice (about 1 lemon)
• 3 ounces dry Champagne (or other sparkling white wine)
• grapefruit wheels (as garnish)