Ingredients:
230g plain chocolate such as Cadbury Bournville
170g unsalted butter.
350g light brown sugar.
3 large eggs, seperated.
370g plain flour.
1 1/2 tsp baking powder.
1 1/2 tsp bicarbonate of soda
1/2 tsp salt
2 tsp vanilla extract
500ml milk
Ingredients for buttercream icing:
175g plain chocolate
225g butter
1tbsp milk
1tsp vanilla extract
250g icing sugar
3 heaped tbsp Nutella
Method:
1) Pre heat the oven to 170 degrees Celsius. Melt chocolate in a bowl over simmering water. Cream together the butter and sugar for about 4 minutes until fluffy, add the egg yolks and beat well.
2) Add the melted chocolate and mix, in a seperate bowl, combine the flour, baking powder, bicarbonate of soda and salt.
3) Mix the vanilla with the milk and add some to the chocolate mixture. Then add half of the flour mixture to the chocolate mixture, then half of the milk and keep swapping until all is combined.
4) Whisk the egg whites until they can create soft peaks - careful not to over whisk. Carefully fold in the eggs whites to the mixture and divide the final mix between three tins.
5) Bake for about 30 minutes or until a skewer inserted comes out clean.
6) to make the buttercream icing, cream together the butter and sugar, then add the melted chocolate, vanilla and Nutella and beat until fluffy.
Enjoy!


