Although this preparation is called relleno (literally, stuffing), and is traditional during the Christmas season in the Mexican state of Guerrero, this delicious pork dish stands on its own as a main dish any time of the year. Guerrerenses often enjoy it on Sundays, after church, or while watching a sports game, popularly stuffed in a crusty bun (hence the name), topped with a piece of crispy skin from the pork, and pickled jalapeños ... click on title for more
My Slice of Mexico 