Pour all ingredients into a shaker – but hold off on the ice.
This will be a dry shake, which means shaking without ice.
The purpose is to break down the proteins in the egg white, making the mixture in the shaker more airy.
After shaking for 10-15 seconds, add ice cubes and shake again for another 10-15 seconds.
Fine strain into a coupe/martini glass and garnish with a licorice root.