Combine all the ingredients for the dough, knead.
Separate 1/3 of the dough, put it in the freezer. Combine all the ingredients for the dough and mix.
Spread the dough with your hands on the baking sheet, put the filling on it. Then grate the frozen dough on a coarse grater.
Bake in the oven at 180 gr. 30 minutes.