300 g. nuts
400 g. biscuits (type petit beurre)
125 g. butter
300 g. white powdered sugar
200 g. chocolate

Grind with an electric or hand mill appliance the nuts and biscuits. Add the sugar and butter and a medium glass of water. Mix well (if you think it is too dry an will not join, add a little more water).

Separate into two equal parts. Add to one 100 grams of melted chocolate. Take a long plate. Spread the half with the chocolate first, then the other. Cover with the second 100 grams of chocolate melted with a spoonful of butter and a spoonful of water. Let it cool in the refrigerator. Cut into small pieces.