Watch The Great British Bake Off season 7 episode 1 online. Twelve new amateur bakers don their aprons and head for the iconic tent in the heart of the British countryside. Mel Giedroyc and Sue Perkins are back, as are Mary Berry and Paul Hollywood, who have devised 30 new challenges to test the bakers’ knowlege, skill and creativity.The competition begins with cake week. The group first take on a British classic and are then faced with Mary’s technical challenge – a popular little cake with a fatless sponge and tricky chocolate work. Finally, the bakers have the opportunity to show the judges what they can do with their showstopper.The best of the bunch will be crowned star baker while one contestant will be leaving the tent.