Rose Gray, Ruth Rogers
By Rose Gray and Ruth Rogers
The best chocolate cake ever.
Preheat the oven to 160°C/325°F/Gas 3. Line a 30 × 5 cm (12 × 2 in) cake tin with greaseproof paper, then grease and flour it.
Beat the eggs with a third of the sugar until the volume quadruples – this will take at least 10 minutes in an electric mixer.
Heat the remaini