An Extra Slice of... Botanical Week

The Great British Bake Off is back and joined by An Extra Slice on BBC Two. It is week six in the Great British Bake Off tent and just seven bakers remain to tackle a Bake Off first - botanical week. Joining host Jo Brand in the An Extra Slice studio are three celebrity fans including Danny Baker. They put the citrus signature, Paul's technical and the three-tiered showstopper under the microscope.