The Great British Bake Off‘s Josh Smalley has prepared a science-led chocolate and caramel Swiss roll recipe. Not only is it a perfect crowd-pleaser, it showcases some complex chemistry.

Drain the cherries, reserving the syrup. (If the cherries contain ... If you can’t get hold of a chocolate Swiss roll, use chocolate brownies or any other chocolate cake instead.

Note: Make half the recipe if a 23cm x 33cm Swiss roll tin is used. Melt the butter, add the golden syrup and pure vanilla ... collections like Fakeaway, Chocolate and Midweek Dinners to inspire ...

Drain the cherries, reserving the syrup. (If the cherries contain ... If you can’t get hold of a chocolate Swiss roll, use chocolate brownies or any other chocolate cake instead.