A Christmas pudding is a traditional English dessert that's usually made during the festive season. It's a dense, fruity pudding made with dried fruits, spices, and sometimes nuts. It's then steamed or boiled for several hours, resulting in a moist and flavorful cake-like dessert. It's often served with brandy butter or custard and can be decorated with holly or ivy. It's a delicious and festive dessert that's enjoyed by many people during the Christmas season.