Wash and coarsely dice the tomatoes. Peel and slice the onion. Peel and wash potatoes and cut them into pieces. Dab meat dry and possibly dice a little smaller
Heat the oil in a casserole. Brown the meat in it in portions all around. Season with salt and pepper. Fry the onion briefly. Add tomato paste and sauté. Add potatoes and tomatoes. Season with salt, pepper and thyme. Add approx. 1/2 l water, cover and stew for 1 1/4-1 1/2 hours.
Clean, wash and cut the beans into pieces. Cook in boiling salted water for about 15 minutes. Drain and fold into the finished goulash. Season with salt, pepper and 1 pinch of sugar. Wash and finely chop the parsley and sprinkle over it