Step 1.
- Chill a champagne flute in the refrigerator or with ice water.
Step 2.
- In a mixing glass, combine elderflower liqueur and fresh lemon juice over ice.
Step 3.
- Stir gently to chill the mixture.
Step 4.
- Strain the mixture into the chilled champagne flute.
Step 5.
- Top with sparkling wine, pouring slowly to preserve the bubbles.
Step 6.
- Garnish with an elderflower blossom or a twist of lemon. Serve immediately.