Step 1.
- Chill a champagne flute in the freezer or fill it with ice water.
Step 2.
- In a shaker, combine 1.5 oz gin, 0.5 oz elderflower liqueur, and 0.25 oz fresh lemon juice.
Step 3.
- Fill the shaker with ice and shake well for about 15 seconds.
Step 4.
- Strain the mixture into the chilled champagne flute.
Step 5.
- Top with 3 oz chilled sparkling wine.
Step 6.
- Garnish with a twist of lemon peel.