Step 1.
- Brew a shot of espresso and let it cool slightly.
Step 2.
- In a cocktail shaker, combine the rum, coffee liqueur, simple syrup, and cooled espresso.
Step 3.
- Fill the shaker with ice and shake vigorously for about 15 seconds.
Step 4.
- Strain the mixture into a chilled cocktail glass.
Step 5.
- Garnish with three coffee beans on top.