Clean and wash the mushrooms, if necessary wash them briefly and dab them dry. Cut large mushrooms in half. Wash the meat, dab dry and cut into small pieces.
Heat 2 tablespoons of oil in a casserole dish. Fry the meat in it all around for about 5 minutes. Season with salt and pepper and remove. Heat 3 tablespoons of oil in the frying fat. Fry the mushrooms in it in portions while turning for about 5 minutes.
Season with salt and pepper. Take it out.
Heat 2 tablespoons of butter in the frying fat. Fry the onion until transparent. Dust with flour and sauté until light brown. Deglaze with 3⁄8 l water and cream, bring to the boil, stir in broth. Add green pepper and simmer for about 5 minutes.
Wash the chives and cut into small rolls. Heat mushrooms, meat and chives in the sauce. Season the sauce with salt and sherry. Served with: Spaetzle.