370g dark chocolate, chopped
2½ cups caster sugar
1½ cups plain flour, sifted
1 cup cocoa, sifted
1½ cups white chocolate, chopped
1½ cups milk chocolate, chopped
Melt dark chocolate and butter over bain-marie. Whisk eggs and sugar until thick. Fold melted chocolate, butter, egg and sugar, then mix. Fold in flour and cocoa. Fold in white and milk chocolate. Pour into tin lined with silicone paper. Bake for 35 – 40 min (approx) at 180°C.
Cool in tin, turn out and cut into squares.