Step 1.
- Chill a champagne flute before serving.
Step 2.
- In a mixing glass, combine 1 ounce of elderflower liqueur with 3 ounces of chilled champagne.
Step 3.
- Gently stir the mixture to combine the flavors.
Step 4.
- Strain the mixture into the chilled flute.
Step 5.
- Garnish with an elderflower blossom or a lemon twist.