Named after a WWI artillery gun for its kick, this elegant gin and Champagne cocktail is bubbly, citrusy, and dangerously smooth.

• Gin4.5 cl
• Fresh lemon juice2 cl
• Sugar syrup1.5 cl
• Champagne or sparkling wine6 cl

1. 1Combine gin, lemon juice, and sugar syrup in a shaker with ice.
2. 2Shake vigorously for 15 seconds.
3. 3Strain into a chilled Champagne flute.
4. 4Top with cold Champagne or sparkling wine.
5. 5Garnish with a lemon twist.