If you're going to get started, this is the cake you should begin with. Not just because it's simple - though it is - but because it is, for me, essence of chocolate cake: melting, luscious and mood-enhancingly good. A food technologist would explain this in terms of "mouthfeel" but I don't know quite how that makes me feel. I often describe this cake as a sort of idealised chocolate cake out of a packet, which doesn't sound so very inviting either. But what I mean by this, is that the cake looks and tastes perfect and has that melting, smooth lightness - immensely chocolately but far from rich. The fact that it is scarcely harder than making one out of cake-mix (only worlds better) is an added joy. The recipe itself is an evolved version of a couple of cakes I've done before, and although the amounts and ingredients are slightly fiddled with, the real change, and an improvement in terms of ease, is that it can be made, all in one, in the processor.
Recipe posted by Nigella