Mary’s Black Forest Gateau

large free-range eggs

caster sugar

self-raising flour, sifted

cocoa powder, sifted

For the filling and topping:

x 390g jars black cherries in kirsch [500g (1lb, 2oz) drained weight]

heaped tbsp cornflour

pint double cream, whipped

For the decoration:

white chocolate

plain chocolate (about 46% cocoa solids)

fresh cherries with stalks