Ingredients
Method
1.
Preheat oven to 160°C. Line a 27 x 18cm slice tin with baking paper. Put chocolates and butter in a heatproof bowl set over a saucepan of simmering water. Stir until just melted. Beat in eggs, spread and sugar.
2.
Sift together flour and cocoa. Fold into chocolate mixture with hazelnut. Spoon into prepared tin. Bake for 30 minutes or until just firm. Transfer to a wire rack to cool. Slice and serve.