Add all of the ingredients to a cocktail shaker without ice. Shake for 30 seconds. Add ice and shake for 30 seconds. Strain into a chilled coupe glass and top add an orange peel as garnish.
Notes
Use a rum you like as the flavor comes from it.
You can replace the lemon juice with lime juice if you prefer.
Do a dry shake first before adding the ice which cools the drink but strengthens the foam.