By Fiona Cairns
This is a really dark chocolate cake, perfect for a big occasion. It’s also moist enough to serve as a dessert with crème fraîche and berries. This is a large amount of cake but, for a smaller party, use exactly half the recipe to fill a 23cm diameter, 7.5cm deep, round tin and bake for just 25-35 minutes.
Lightly butter a 30cm diameter, 7.5cm deep, round springform tin and line the base with baking parchment.
Set a large heatproof bowl over a saucepan of very gently simmering water, making sure the base of the