Rum ball known as either "romkugle", "trøffel" or "sputnik", depending on the region. There are many different ways to make rum balls, as recipes vary from region to region and family to family. All rum balls must include chocolate and rum, but the rest of the ingredients vary in kind, form, and amount. To make rum balls, the cake (or biscuit) material is crushed and mixed with fat, cocoa and a moist binding ingredient, such as jam or condensed milk. Other optional ingredients can also be added, such as nuts. When the mixture holds together firmly, it is rolled into balls and
Rum and fruitiness of rum. As with all other aspects of rum production, no standard method is used for distillation. While some producers work in batches using pot stills, most rum production is done using column still distillation. Pot still output contains more congeners than the output from column stills, so produces fuller-tasting rums. Many countries require rum to be aged for at least one year. This ageing is commonly performed in used bourbon casks, but may also be performed in other types of wooden casks or stainless steel tanks. The ageing process determines the colour of the rum. When aged