Through all of my research I haven’t been able to iden­ti­fy the ori­gin of this fan­tas­ti­cal­ly sim­ple cock­tail. If you do your own dig­ging you’ll find a few infor­ma­tive arti­cles out there and most of them will list Cruzan Black­straps Rum as the base liquor. It’s this rum that gives the cock­tail it’s crude oil com­plex­ion and it’s fit­ting name. How­ev­er, I find that the Cruzan Black­strap Rum over pow­ers the sub­tleties of the faler­num, the real star of this recipe. …