For the semifinals, host Jesse Palmer explores the reasonsbehind some great holiday traditions. Kwanzaa is around thecorner, and one of the most traditional ingredients to cookwith is plantains, so the bakers craft Kwanzaa plantaindesserts. Then in a team heat, Carla Hall celebrates acenturies-old tradition by crafting ornaments, inspiringbaking teams to make large-scale edible ornaments in HolidayBaking's first ever T'Ornament of Tastiness! Another agelessholiday tradition is putting up a Christmas tree, so for themain heat, the bakers create blitz puff pastry Christmas treepull-aparts for judges Carla Hall, Duff Goldman and NancyFuller to tear into!