Recommended Glassware: 10-12 Ounce Rocks.
Garnish: Fennel Frond and Grapefruit Wedge.
In a mixing tin/shaker, combine all ingredients except for carbonated americano. Add ice. Shake vigorously for 5-7 seconds. Open tin. Add carbonated americano. Strain in glass filled with ice. Garnish. Enjoy!