Deck the halls with sugar, butter and chocolate as competitors from past seasons of "The Great British Baking Show" prepare sweet Yuletide treats for the show's judges.
Five Channel 4 stars make merry bauble cakes, tear-and-share pastry trees and festive wreaths with a base of their choice: meringue or pâte à choux.
Cue "Auld Lang Syne"! Alumni bakers create savory Wellingtons fit for a New Year's dinner, vegan baked Alaskas and dazzling but daunting bûche entremets.