That most famous of Ankh-Morpork snack foods, the sausage-in-a-bun. Apparently known in Quirm as "le sausage-in-le-bun", although one person trying one for the first time thought that "sausage dans le derrière" would be more appropriate. This may have something to do with the fact that the sausages are made and sold by one C.M.O.T. Dibbler.
Not much is known about the recipe; presumably no-one has ever wanted to find out, for obvious reasons (at least, reasons obvious to anyone who has ever tasted a sausage-in-a-bun). All we do know is that an Ankh-Morpork sausage of the kind used here would be classed in other countries as a loaf or possibly a log, and when there is meat somewhere in there, it is not necessarily meat from something that butchers in our world would consider using. And even when there is meat from a named domesticated animal involved, the name of the said domesticated animal was probably something along the lines of "Spot" or "Ginger".
Another point about sausages-in-buns is that they do, on occasion, have to be stunned before being served up, and they react particularly violently with the digestive systems of dwarfs.