<P> In both Australia and New Zealand, pig in a blanket is a cocktail frankfurter wrapped in bacon and / or puff pastry . </P> <P> In China, a Chinese sausage wrapped in pastry is called "Lap Cheong Bao" and is steamed rather than baked . In southern Canton, particularly Hong Kong, a sausage wrapped in pastry is called "Cheung Jai Bau" or "Hot Dog Bun" and is baked instead of being steamed . </P> <P> In Estonia, they are referred to as "viineripirukas", which means sausage pastry . </P> <P> In Serbia, the dish has a name "rol viršla", lit . (hot) dog roll . Rol viršla is a very popular type of fast food in Serbia . </P>

Where did pigs in a blanket originate from