lime wheel or lemon - watch the video to see (for garnish)
Instructions
Prepare the cocktail: In a shaker, combine 1 1/2 oz of white rum, 3/4 oz of Cointreau, 1/2 oz of orgeat syrup, and 3/4 oz of freshly squeezed lime juice.
Shake: Add copious amounts of hand-flavored ice to the shaker and shake well.
Strain: Strain the mixture over pebble ice in a glass.
Float dark rum: Carefully float 1/2 oz of dark rum on top of the cocktail.