Asador Bastian Dry-Aged Vaca Vieja Txuleton Dry-Aged Vaca Vieja Txuleton at Asador Bastian is documented with Vaca Vieja and txuleton format; described as tender, robust, popcorn. CutTxuletonOriginNot stated on menuType / gradeVaca ViejaExperienceTxuleton format; described as tender, robust, popcorn View source