Step 1.
- Fill a wine glass with ice.
Step 2.
- Pour in 3 oz of dry sparkling wine.
Step 3.
- Add 1 oz of elderflower liqueur.
Step 4.
- Pour in 1 oz of dry vermouth.
Step 5.
- Top with a splash of soda water.
Step 6.
- Gently stir to combine.
Step 7.
- Garnish with a lemon wheel.