Step 1.
- Crack the egg into a cocktail shaker.
Step 2.
- Add the chosen base spirit (rum) and simple syrup into the shaker.
Step 3.
- Dry shake vigorously for about 15 seconds to emulsify the egg.
Step 4.
- Add ice to the shaker and shake again for another 15 seconds until well chilled.
Step 5.
- Strain into a chilled coupe glass.
Step 6.
- Garnish with grated nutmeg on top. Adjust the amount to taste.