https://www.gastronomos.gr/syntagh/paneykolo-mpiskotoglyko-me-karydia/165232/

A simple recipe that you can whip up with the help of your kids and share with your friends. 

Ingredients

Net weight: approx. 1kg

500g couverture chocolate
1 can sweetened condensed milk
½ digestive biscuits (or something similar), ground to dust
120-130g walnuts, in thick chunks

Preparation

Start by melting the chocolate on a bain-marie. 

Take it off the heat and add the condensed milk and biscuits, using a spatula to stir. 

Add the walnuts. 

Roll open a sheet of wax paper on a square pan and pour in the batter. 

Leave in the fridge for 2-3 hours, then cut into pieces.