<Tr> <Th> Type </Th> <Td> Sausage wrapped in bacon </Td> </Tr> <Tr> <Th> Main ingredients </Th> <Td> Hot dog </Td> </Tr> <Tr> <Th> Variations </Th> <Td> Wrapped in bacon, filled with cheese, pancake wrap </Td> </Tr> <Tr> <Td_colspan="2"> Cookbook: Pigs in a blanket Media: Pigs in a blanket </Td> </Tr>

Where did the term pig in a blanket come from