Fondants with chocolate and beans

Preparation time: 10 minutes

Ingredients:
200 g Deroni beans, 200 g cocoa, 600 g granulated sugar, 1 sachet vanilla sugar, 200 g butter, a cup of walnut kernels

Preparation:
Boil and drain the beans. Place all the ingredients in a blender and purée it well. The mixture obtained is spread on a platter or low tray. Cut into cubes. Put it in a cold place.