Step 1.
- Chill a champagne flute by filling it with ice water.
Step 2.
- In a shaker, combine 1 oz of absinthe, 0.5 oz of fresh lemon juice, and 0.5 oz of simple syrup with ice.
Step 3.
- Shake well until chilled.
Step 4.
- Empty the ice water from the flute and fine strain the mixture into the glass.
Step 5.
- Top off with 3 oz of chilled champagne.
Step 6.
- Garnish with a lemon twist.