Beat the eggs and sugar. They add vanilla, the oil, milk and sifted flour. Stir the mixture until a homogeneous mixture with a mixer. To this mixture add the chocolate. Greased bottom of the pan with sunflower oil and cover it with baking paper. In paper trays cakes Pour 2 tbsp of the mixture and bake for 15-20 minutes or until browned in a preheated oven at 180C degrees. Smash chocolate pieces and add milk. Melting it in the water bath. Watering cupcakes with 1 tbsp of topping. Decorate optional.