Beat eggs with sugar, add baking soda, quenched in advance yogurt. Then add the oil, milk, flour and cocoa. In mixture can add any nuts, dried fruit. Personally, I added 1/2 cup walnuts and prunes. Cake bake in a preheated oven 180C degrees. Tray I had a diameter of 26 cm. Prepare glaze as melt all the ingredients for it on low heat until a homogeneous mixture - if necessary add a little water. Spray the cake with icing and decorate optional.