CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search This article does not cite any sources . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2009) ( Learn how and when to remove this template message ) Chistorra A tapa of fried chistorra . Alternative names Birika, Berika, Txistorra Place of origin Spain Region or state Aragon , Basque country , Navarre Main ingredients minced pork Cookbook: Chistorra Media: Chistorra Chistorra ( Basque : txistorra , pronounced [tʃis̺ˈtora] ) is a type of fast- cure sausage from Aragon , the Basque Country , and Navarre , Spain . It is made of minced pork , or a mixture of minced pork and beef , is encased in either lamb tripe or plastic , and has a fat content that varies betwee...