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.
I love white chocolate and raspberries, this is a winner. White chocolate and raspberry swirl tartlets (A Sweet Muddle). The sweet tartness of raspberries combined with rich, creamy white chocolate makes it pretty irresistible.