Cut the pork fillet into finger-thick strips, fry briefly in a little oil in a pan, then pour into a greased baking dish.
Fry the mushrooms in the frying fat, then fill them over the meat. Whisk the cream, herb cheese, cognac, flour, pepper and salt and spread over the mushrooms and meat. Cover everything with the grated Gouda. Baked at 225 degrees for about 20 minutes.