Step 1.
- Prepare the cocktail by combining the rum, lime juice, and simple syrup in a shaker filled with ice.
Step 2.
- Shake well until chilled, about 15 seconds.
Step 3.
- Strain the mixture into a pre-chilled coupe glass.
Step 4.
- If available, pour the cocktail into a small oak barrel and allow to age for 2-6 weeks, depending on desired flavor.
Step 5.
- After aging, strain back into the coupe glass, discarding any sediment.
Step 6.
- Garnish with a twist of lime peel.