Cut the rolls into thin slices, season with salt, pepper and then pour hot milk over them. Sauté the chopped mushrooms with the plucked parsley in butter and mix with the eggs into the breadcrumbs. Form small dumplings, roll in wheat flour, soak in boiling salted water, leave to stand for about 10 minutes.
During this, heat the milk in a saucepan, dissolve the Gorgonzola in it and season with pepper.