Thirteen desserts is a fun tradition that happens during Christmas time in a place called Provence in France. Imagine you just had a big dinner and now you get to eat THIRTEEN different treats! These treats can be anything sweet like cakes, cookies, chocolates, fruits, nuts, and even special bread. It's like a big snack party! People believe that these thirteen desserts symbolize Jesus and his twelve disciples, and they eat them to celebrate the birth of Jesus during Christmas time. So basically, in Provence, they have a big Christmas feast and then finish it off with 13 yummy desserts!