How to Make It
Fill a cocktail shaker with ice. Add the remaining ingredients except the garnish and shake well. Strain into a chilled coupe and garnish with the orange twist.
Simple Syrup: In a saucepan, bring 1/2 cup water and 1/2 cup sugar to a boil over moderately high heat for 3 minutes, stirring to dissolve the sugar; let cool. Makes about 6 ounces.