Dressed as a Christmas tree, host Jesse Palmer kicks things off by asking the final four competitors to honor the holiday tree in the form of a beautifully decorated macaron tower. In the Christmas past, present and future main heat, the bakers must ... (more)feature an assigned icing style in a stunning cake that evokes their assigned time period -- marzipan from the past, buttercream from the present or mirror glaze from the future. In the end, judges Nancy Fuller, Duff Goldman and Carla Hall will decide the one baker who will be crowned Holiday Baking Champion and walk away $25,000 richer!