Grinding biscuits (I ram them in a mortar, where I crushed and the walnuts). Add and ground walnuts. Water bath melted chocolate and add it to the butter, and 5 tbsp milk, then add it to the biscuits and the walnuts. Put Baileys and the remaining 5 tbsp milk. Stir and begin to shape the balls and roll them in either an coconut and others colored sticks. Let them be tight for 30 minutes in the refrigerator.