For the final technical challenge Mary Berry asked the bakers to make this simple sponge with homemade jam and buttercream – without a recipe. For this recipe you will need two sandwich tins, an electric mixer and piping bag fitted with plain nozzle.
Chris Blackburn is reigning world Yorkshire Pudding champion. Star of ITV’s Food Glorious Food, ITV’s Country House Sunday and has appeared on BBC's Mary Berry Cooks, BBC's The One Show & BBC Country File.
Mary Berry food special: Spinach and three cheese bake