Rum Angostura 5 Year Old. For five years, Angostura 5 Year Old rum remains in oak barrels ageing so that when it’s ready to be enjoyed, it reveals its deep character. Angostura 5 Year Old rum it presents chocolate, spice, vanilla and toasted oak flavours and provides a remarkably warm and mellow finish. Angostura 5 Year Old rum it can be enjoyed neat as a sipping rum, or over ice, but its deep character lends to being mixed with stronger mixes, spices and herbs.