Baker Juliet Sears in a sparkly Christmas dress with a feathered collar. Christmas pudding is rich, often boozy and usually made well ahead of Christmas Day, which naturally raises questions about how long it actually keeps. According to baking expert Juliet Sear, Christmas pudding is far more forgiving than people often assume, as long as it’s made and stored properly. Juliet, who regularly appears on ITV’s This Morning, explains that the ingredients themselves help preserve it.