The combination of ground ginger, allspice, stem ginger and chilli makes an intensely flavoured sponge cake, irresistibly slathered in toffee sauce ... sugar, treacle and syrup in a medium ...

or until a cake tester comes out clean. Meanwhile, to make the sauce, melt the butter, muscovado sugar and treacle over a very low heat in a heavy-based saucepan. Once the butter’s melted ...