Birth of Fontaneda biscuits Historical milestone · Aguilar de Campoo, Montaña Palentina, Palencia Image of Aguilar de Campoo, not of the place itself. In 1881 the confectioner Eugenio Fontaneda, of Burgos origin, began making sponge cakes, biscuits and chocolates in a house under the arcades; in 1920 he bought a shed at the foot of the castle and in 1923 chain production started up. 1881 Photo: Igor González Martín from Madrid, Spain (CC BY-SA 2.0) What to see and do in Aguilar de Campoo