Shake all the ingredients with ice, then strain into a coupe. Garnish with the lemon twist.
Add sugar and water to a small saucepan. Heat over medium-high heat. Stirring occasionally until sugar is dissolved. Cool to room temperature before using. Simple syrup will keep, refrigerated in an air-tight container, for up to two weeks.
Recipe adapted from: Kaplan, David and Nick Fauchauld. "Champs-Élysées." Death & Co.: Modern Classic Cocktails. Berkeley: Ten Speed Press, 2014.