The 12 new bakers don their aprons and head for the iconic tent for cake week.

With cake week over, the remaining bakers must prove themselves with biscuits.

The ten remaining bakers tackle quick breads, baguettes and 3D bread sculptures.

Three baked cheesecakes make up the showstopper.

The remaining bakers must bake without sugar, gluten or dairy.

The bakers prove their pastry skills, making frangipane tarts, flaounes and vol-au-vents.

Season 6, Episode 7

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The pressure is on, as the remaining bakers must get to grips with one of the most difficult ingredients, chocolate.

Only three of the original twelve bakers remain. They've made it to the final. Over 27 challenges, they've worked their way through every baking discipline Mary and Paul have thrown at them - from cakes to bread, pastry to puddings, and biscuits to chocolate. Along the way they have tackled recipes from the 70s and 80s, they've gone back to the Victorian era, they've made gluten-free bread, strange meringue concoctions, incredible constructions out of biscuits, bread and choux... They have all survived, and now they face their last three challenges. The signature challenge sees the finalists tackle enriched dough to create delicious filled iced buns. The technical requires them to conquer something they have all struggled with, and finally, for their last ever showstopper, they must make a classic British cake. Mary and Paul expect nothing short of perfection. So who will hold their nerve? Who will be crowned winner of The Great British Bake Off 2015? On your marks, get set... bake!

After ten weeks of baking highs and lows, calm descends on the Bake Off tent as Mary and Paul take up the reins to make the signature, technical and showstopper challenges that they set the bakers in the first couple of weeks of the series. Step by step, they take us through the recipes, methods, tricks and tips to ensure that even the most amateur bakers can get it right at home every time. Mary kicks off with a classic madeira cake followed by her frosted walnut cake. Paul makes hazelnut and orange biscotti and shows us the right way to make the technically tricky arlettes. He then demonstrates how to make a foolproof plait. Mary provides a handy tip on how to stop ramekins from slipping in a bain marie and closes the show with her take on the retro classic black forest gateau.

Back in the Bake Off tent, Mary and Paul roll up their sleeves, baking the challenges that they set the bakers in Bread and Desserts weeks of the Great British Bake Off. Paul is in his element as he shows how to make soda bread in under an hour and then bakes baguettes, perhaps the most iconic of all French breads. Mary makes cappuccino creme brulees without a blow torch and creates the classic meringue cake which foxed the bakers in week 4 - the Spanische windtorte. Paul shows us how to decorate a pie and Mary reveals her tip for making a checkerboard cake before going on to bake a tiered white chocolate and raspberry cheesecake.

Mary Berry and Paul Hollywood make the challenges they set the bakers. Mary bakes her version of a sugar-free carrot cake and Paul makes a lime and passion fruit charlotte russe.

In the final masterclass of the series, Mary and Paul heat up the ovens and get out the mixing bowls one last time to create the signature, technical and showstopper challenges from the last part of the Great British Bake Off. Mary makes a tennis cake based on the 19th-century recipe that was the technical challenge from Victorian week. Paul makes two types of cream horns - the first filled with a mocha creme pat and the rest with a limoncello tutti frutti cream. Mary shows us how to be delicate, precise and perfect with her mokatines, and Paul gets to grips with an epic construction in choux pastry - le religieuse a l'ancienne.

We catch up with last year's bakers, who have come a long way since their time in the tent.

This programme looks back at the golden moments - and recurring nightmares - of the bakers dozen from last year, as they revisit their time in the tent and share their memories as the Class of 2014.