This homemade version of the walnut whip has a gooey coffee filling. Equipment: You will need an 11-hole fluted cup chocolate mould and a chocolate thermometer. Set aside 50g/1¾oz of the ...

This novel Swiss roll combines coffee cream with the delightful crunch of roasted walnuts, some cooked into the sponge and some added as decoration. Preheat the oven to 200C/180C Fan/Gas 6.