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That said, there is a reason that the traditions have become traditional. When the first Christmas mince pies were produced, it is likely that the baker who cooked them had no idea just how much a part of Christmas they would become in many countries. People eat them, however, because they like them. Equally, it is not essential to have a tree in your house for the Christmas period – but people do, and have done for many years it does give a certain festive cachet to the whole occasion.