Sparkling water (optional)Sparkling water (optional)
Garnish: grapefruit and rosemaryGarnish: grapefruit and rosemary
Instructions
Combine ice, gin and grapefruit juice in a cocktail shaker. Strain into an ice-filled wine or cocktail glass. Add prosecco. Top with sparkling water if desired. Garnish with a grapefruit wedge and rosemary.