The episode focuses on complex techniques, ranging from wheat-free bread making to intricate French patisserie. Description Sussex Pond Pudding

A traditional suet pudding with a whole lemon inside, creating a "pond" of butter and sugar sauce. Opera Cake

An intricate choux pastry dessert designed to resemble a nun, requiring precise piping and stacking. Wheat-free Rye Loaf

: This was the final masterclass for the 2013 season (Series 4), following the crowning of winner Frances Quinn . The Great British Bake Off, Series 4, Masterclass 4 - BBC

A classic French layered cake; Mary demonstrates her own twist on this technical challenge. Religieuse

: The judges share "tips and tricks" to avoid common mistakes made by the amateur bakers during the series, such as managing dough hydration and ensuring a perfect "wobble" in puddings.