Wash the meat, dab dry and cut into strips. Clean, wash and slice the mushrooms. Peel and finely chop the onion. Heat 1 tablespoon of oil in a frying pan and fry the meat in it for about 4 minutes. After 2 minutes add onion and mushrooms and fry while turning. Add peas and season with salt and pepper.
Add Fix for meat pan, heat up and simmer for about 5 minutes at low heat. In the meantime, heat the remaining oil in a frying pan and fry the roast chunks on each side for about 4 minutes at low heat. Wash the tomatoes, cut them into quarters, remove the seeds, dice them finely and stir them into the meat pan. Serve the shredded tomatoes and 2 roast chunks on a plate garnished with parsley. Sprinkle with coloured pepper if desired