How to make
In suitable deep bowl, beat the egg, sugar and butter. Add 1/4 of the chocolate, grated. Add the beaten yoghurt and milk. Lastly, add the mixed flour, baking soda and cocoa.
Mix everything together to form a homogeneous mixture. Pour into a greased form and bake in a preheated 390°F (200 °C) oven for about 50 minutes.
Once the cake is ready, pour in the remaining chocolate, which has been melted with a little milk or butter.
