Step 1.
- Chill a champagne flute by filling it with ice water while preparing the cocktail.
Step 2.
- In a separate glass, pour 1 ounce of absinthe and then discard the ice water from the lightly chilled flute.
Step 3.
- Slowly fill the flute with champagne, allowing the bubbles to rise gently without overflowing.
Step 4.
- Garnish with a lemon twist, expressing the oils over the top before placing it on the rim.