There may not be a right way or a wrong way to enjoy Rhum Barbancourt, the #1 rum in Haiti, but there most certainly is a local way. Over the course of my numerous visits to the Marriott Port-au-Prince in recent years, bartenders there, and elsewhere around Haiti's capital, have confirmed the method. Start with the rum –– Barbancourt 5 étoiles (5 stars), aged 8 years. Pour into a tumbler filled with ice. Squeeze half a key lime in there, et voilà!