Rosemary Grapefruit Gin Tonic Cocktail
Crisp gin, tart grapefruit, and rosemary shine in this bright, bubbly gin and tonic twist. Refreshing, botanical, and super easy for sunny afternoons or happy hour.
Equipment
- Cocktail shaker
- Jigger or measuring tool
- Muddler or spoon
- Strainer
- Highball glass
- Bar spoon
- Citrus juicer
- Ice cubes
Ingredients
- 2 oz gin Bombay Sapphire or similar
- 2 oz fresh grapefruit juice ruby red preferred
- 0.5 oz rosemary simple syrup
- 4 oz tonic water
- ice cubes
- 1 sprig fresh rosemary for garnish
- grapefruit wedge or slice for garnish
Instructions
- Fill cocktail shaker with ice. Add gin, fresh grapefruit juice, and rosemary simple syrup.
- Shake for 10–15 seconds until chilled.
- Strain into a highball glass packed with fresh ice.
- Top slowly with tonic water. Stir gently.
- Garnish with a rosemary sprig and grapefruit wedge or slice.
Notes
Use fresh grapefruit juice and a good-quality tonic for best flavor. Rosemary syrup keeps a week in the fridge. Adjust syrup for sweetness, or bump up the gin for extra kick.