Rum balls are a truffle-like confectionery cake of cookie butter flavoured with chocolate and rum. they are roughly the size of a golf ball and often coated in chocolate sprinkles, desiccated coconut, or cocoa. as their name implies, these cookies contain rum. because they are not baked, the alcohol flavour and kick are not lost during preparation. this cookie is especially popular during the holiday season. rum balls are a popular christmas treat in england, australia, canada, germany, new zealand, the united states, austria, slovenia, hungary, greece and the czech republic. in denmark they are enjoyed year round and known as either romkugle, trøffel or sputnik, depending on the region....

Source: Wikipedia