Traditionally you would light a special log on Christmas Eve and keep it burning through the 12 nights of Christmas.
Why choose a Yule Log
A huge log would be specially chosen from the forest on Christmas eve. Dragged back home and especially decorated. According to myth, The yule log would hold magical powers to insure very good luck in the coming of the new year to whom helped lend a hand of bringing in the yule log.
Once the log was brought in. it was also stated that people would decorate it with ribbons, a blessing would be said over it along with wine poured over it to make it feel very much welcome into your home. it was then placed in the open fire and light from the starchy torch made from the last year’s yule log.