Parisian flan with us, pastel de nata in Portugal, custard tart in England, pasticciotto in Italy, we find the flan in many pastries around the world. It is a very old preparation that dates back to the Middle Ages, we find the first traces in England in the 14th century. Flan was served in 1399 during the coronation of Henry IV of England. It is generally offered in a dough (puff or broken) but can also be served with a caramel sauce.