Coffee Swiss Roll Filled with Marsala Cream

A Swiss roll is made by folding a thin layer of light sponge cake around a well-flavoured filling. To make a Swiss roll with several turns, the sponge cake should be the correct thickness for its size – a very thick layer of cake either cracks as you roll it, or has to have such a thick filling that the whole charm of the cake is lost. For a plain Swiss roll, replace the coffee with warm water; the filling can be raspberry or strawberry jam, though a nicely judged wine cream makes the cake