Step 1.
- Fill a highball glass with ice.
Step 2.
- Add 1.5 oz of gin to the glass.
Step 3.
- Pour in 1 oz of elderflower liqueur.
Step 4.
- Squeeze half a fresh lemon to extract the juice and add it to the mix.
Step 5.
- Top with 3 oz of sparkling water.
Step 6.
- Gently stir to combine all the ingredients.
Step 7.
- Garnish with a lemon wheel and a sprig of elderflower.