1⁄2 oz Courvoisier VS Cognac
1⁄2 oz Green Chartreuse
1⁄2 oz Luxardo Maraschino Originale Liqueur
1⁄2 oz lemon juice
sparkling white wine to top off
1 lemon twist
Shake all ingredients (except sparkling wine) with ice
Strain into flute
Top with sparkling wine
Squeeze lemon twist over drink and discard