Add all ingredients to a cocktail shaker and fill 3/4 with ice.
Shake until chilled, about 12 seconds. Strain into a coupe glass and garnish with a dehydrated lime wheel, if desired.
Notes
To create simple syrup, simply combine equal parts sugar and water and stir until the sugar has dissolved. Learn more about simple syrup and other cocktail syrups in my Ultimate Guide to Cocktail Syrups.