Step 1.
- Fill a shaker with ice.
Step 2.
- Add 2 oz of gin, 1 oz of fresh lemon juice, 0.5 oz of elderflower liqueur, and 1 oz of tonic water to the shaker.
Step 3.
- Shake well until chilled.
Step 4.
- Strain into a highball glass filled with fresh ice.
Step 5.
- Top with an additional splash of tonic water.
Step 6.
- Garnish with a lemon wheel and a sprig of mint.