- 90ml Triple Sec
- 30ml Gomme Syrup (optional)
- 30ml Lemon Juice
- 90ml Grapefruit Juice
- Soda to Top
- Combine Triple Sec, Gomme (if using), and juices in a shaker with ice.
- Shake for 20 seconds.
- Pour into a glass over ice and top with soda water.
- Garnish with an orange twist or some edible flowers.