Add lime juice and rum to the bottom of a tall glass. Fill with ice, then pour the cola of your choice over top. Optionally give it a quick stir to make sure everything is mixed. Garnish with a lime wheel or wedge and a small sprig of mint.

Add lime juice and rum to the bottom of a tall glass. Fill with ice, then pour the cola of your choice over top. Optionally give it a quick stir to make sure everything is mixed. Garnish with a lime wheel or wedge and a small sprig of mint.