Jam is much more than a simple fruit preserve: it contains a fascinating and ancient history, full of myths, innovations and traditions. Its origins date back to the Greco-Roman era, when the Greeks began to preserve quinces by boiling them with honey, a technique to preserve fruit even in the coldest months. In the Middle Ages , thanks to the Crusades, sugar was introduced into Europe and became the main ingredient for making long-lasting jams. The first written records of jams, as we know them today, are found in Italian and French recipe books, and already in the Renaissance they...