In the Christmas special of Holiday Baking Championship, hosts and judges Nancy Fuller, Duff Goldman and Lorraine Pascale welcome back runner-up teams from previous seasons to battle it out for another chance to win. In the pre-heat, baking teams must use real letters to Santa to inspire a holiday dessert. For the main heat, teams bake and decorate cupcakes before assembling them into one giant edible holiday tree. The winning team earns $10,000 in holiday cash!