The Great British Bake Off 7x4 - Batter Week

It's week four of The Great British Bake Off, just nine bakersremains, and - for the very first time - it is Batter Week.Mary and Paul have set three challenges to test the bakers onsome store cupboard classics. To start things off there is aBritish favourite. It may sound simple, but the judges arelooking for perfection - a uniform bake across the batch and atasty savoury filling. The bakers really have to rise to theoccasion in this signature challenge.