A method of preparing
Melt the butter in a pot. Add sugar, cocoa, and milk, and stir vigorously until the ingredients are combined. Leave to cool off. Add powdered milk to the mixture and stir thoroughly. (Its consistency should be smooth. If it is too thick, add some boiled water). Finally, add the expanded wheat and walnuts. Mix. Place kitchen foil on a bread loaf pan and put the mixture in it pressing it with a spoon. Leave in a refrigerator for a couple of hours.