Cut the Swiss roll into 12 equal slices and arrange them over the base and a short way up the sides of a glass trifle bowl. Put any remaining slices in the middle of the bowl. Spoon the sherry ...
Fold half into the custard. Coarsely break 6 of the biscuit and place in a trifle bowl. Add half the rhubarb. Spread over half the custard cream and then slice up half the jelly. Repeat and then ...