<P> In Finland, pigs in blanket are known as nakkipiilo, which means "hidden sausage" if it is translated freely . </P> <P> In Mexico, the sausage is wrapped in a tortilla and deep fried in vegetable oil . The name "salchitaco" comes from the fusion of the words salchicha (sausage) and taco (sausage taco). </P> <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 . </P>

When did pigs in a blanket become popular