Grate the raw potato into the milk and bring this to the boil (whilst stirring). Mix in the semolina, add some salt and let the food cook for about 10 minutes.
Add some nutmeg to the dough.
Cut the rolls into small cubes and toast with some margine.
Divide the dumpling dough into eight bits, make a little hole in the middle and fill with the diced bread and the Gyros.
Form the dumplings with damp hands and cook in some salted and boiling water for about 10 minutes.