1. In a bowl, rub the butter with the sugar. Add milk, egg, vanilla and salt.
2. All thoroughly mixed. In another bowl mix passed through a flour and baking powder. Add oil to the flour mixture, mix well with a mixer or a whisk. Add 100 g of the broken chocolate into pieces and finely chopped nuts.
3. In a saucepan add a little butter, shift the entire mixture and add the remaining pieces of chocolate. Heat the mixture continuously stirring until chocolate is completely melted and the mixture became homogeneous.
4. Then give to cool and form balls. If desired, they can be obmoknut in coconut. Once all the balls are ready, they should definitely put in the refrigerator for 20 crumple to become solid.