Set the oven temperature to 150 °C.
Mix the nuts in a food processor. Melt the butter and stir into the nut mixture.
Combine the remaining ingredients and stir until the mixture thickens.
Spread the mixture in a 24x30 cm pan lined with greased baking parchment.
Bake in the centre of the oven for 20-25 minutes. Leave to cool.
Meanwhile, melt the chocolate and butter over a water bath.
Spread the chocolate mixture over the nut base and sprinkle with chopped nuts. Place in the refrigerator.
Cut up into small bars.
The recipe was made by