Step 1.
- In a cocktail shaker, combine 2 ounces of ruby port wine, 1 ounce of dark rum, and 1 whole egg.
Step 2.
- Add 1/2 ounce of simple syrup for sweetness.
Step 3.
- Fill the shaker with ice and shake vigorously for about 15 seconds to blend and chill.
Step 4.
- Strain the mixture into a chilled coupe glass.
Step 5.
- Garnish with freshly grated nutmeg on top.