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.
ThMost Amazing Chocolate Cake is here. I call this my Matilda Cake because I swear it's just as good as the cake that Bruce Bogtrotter ate in Matilda. This is the chocolate cake you've been dreaming of!