Rum cake associated with Christmas in Trinidad and Tobago. In Puerto Rico, rum cake is called "Bizcocho de Ron", and is a sponge cake, so as to absorb the rum. If fruit is added to it, it is fresh or dried. Raisins and sultanas may be soaked in rum for one day or one night. Bizcochos de Ron are given as gifts during the holiday season, but they are not considered an insulting gift, the way fruitcakes in the U.S. sometimes are. In the United States, rum cakes have been popular since at least the 1970s. While many island travelers go out
Rum in oak casks, it becomes dark, whereas rum aged in stainless steel tanks remains virtually colourless. Due to the tropical climate, common to most rum-producing areas, rum matures at a much higher rate than is typical for whisky or brandy. An indication of this higher rate is the angels' share, or amount of product lost to evaporation. While products aged in France or Scotland see about 2% loss each year, tropical rum producers may see as much as 10%. After ageing, rum is normally blended to ensure a consistent flavour. Blending is the final step in the rum-making process. As