Cut the fillet into slices, season with salt, pepper and fry, place the fillets in a greased baking dish.
Cut the asparagus and mushrooms into slices and fry for about 10 minutes. Pour on the cream and sour cream, season with salt, pepper and curry. Add the hollandaise sauce and bring to the boil. To taste.
Pour over the meat, sprinkle with grated cheese and breadcrumbs, put flakes of butter on top.
At 250 ° C in a preheated oven (200 ° C circulating air, without preheating) approx. 45 min. gratinated.