Chocolate Nemesis

• 675 g (1.½ lb) bitter-sweet chocolate, broken into small pieces
• 10 whole eggs
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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