Forget that jar of chocolate-hazelnut spread and try mixing up your own blend of gooey chocolate, toasty nuts, and bittersweet fruit preserves. These dessert-like challah sandwiches are piled high ...

well here is the Hairy Bikers’ ground hazelnut cake. Topped with pears, it's a new winter classic. Preheat the oven to 190C/170C Fan/Gas 5 and line two 22cm/8½in sandwich tins with baking paper.