Cut the boiled potatoes into pieces. Saute the fillet in a little salted water and cut it into pieces.
Fry the finely chopped onions and garlic in some of the butter, add the fillet and fry again. Dip the tomatoes for a second in boiling water, peel and cut them.
Arrange the prepared products in a buttered form, salt each row and sprinkle black pepper. Add the grated feta cheese and melted butter to the pudding. Bake in a low oven.