For the beef cutlet, cut the meat into narrow strips.
Quarter the onions, cut into slices, clean the mushrooms, also cut into slices. Heat oil in a large frying pan or pot and fry meat vigorously, add onions and mushrooms and fry briefly.
Deglaze with broth, add ayvar, mustard and creme fraiche and simmer covered for 30-40 minutes.
Thicken slightly with a little cornstarch. Add a little curry and season with salt and pepper if necessary.
Serve the beef with potatoes, rice or noodles.
Preparation Tip:
You can also use zucchini instead of mushrooms for the beef cutlet.