Jaca sweets Food and drink · Jaca, La Jacetania, Huesca Image of Jaca, not of the place itself. The baking of Jaca preserves pieces of its own such as the jaqueses, the lazos, the corazones, the patatas de Jaca and the coronitas de Santa Orosia, made with puff pastry, almond and egg yolk in the city's workshops. Photo: Uxue (Tagzania user ID: 16978) (CC BY-SA 4.0) What to see and do in Jaca