Bilbilitan-style ternasco Food and drink · Calatayud, Comunidad de Calatayud, Zaragoza Image of Calatayud, not of the place itself. Lamb of native Aragonese breeds, slaughtered between seventy and a hundred days of age, which here is marinated with garlic, bay leaf and thyme and roasted slowly on a bed of baker's potatoes. The ternasco has held a protected geographical indication since 1999. Photo: Fotografia enviada per Hugo What to see and do in Calatayud