Pepper flatbreads Food and drink · Castelserás, Bajo Aragón, Teruel Image of Castelserás, not of the place itself. A thin bread dough covered with roast pepper and baked in the oven, sometimes enriched with tuna or with ham. It is made in the comarca's bakeries and eaten as a mid-morning meal or as an aperitif at the summer festivities. Photo: jnerin (CC BY-SA 3.0) What to see and do in Castelserás