Onions peel, halve and cut into slices. Clean, wash and dice the peppers. Clean and halve mushrooms. Peel and wash potatoes and cut into cubes. Wash goulash, dab dry with kitchen paper.
If necessary, cut meat cubes a little smaller. Heat the oil in a large pot and fry the meat in 2 portions while turning. Add the onions, mushrooms, peppers and potatoes and the already fried meat and fry briefly while turning. Add tomato paste and stir in. Dust with flour and sauté briefly. Season with salt, pepper and paprika. Deglaze with stock and wine, bring to the boil, cover and simmer at medium heat for about 1 hour. In the meantime wash parsley, dab dry and cut into strips. Season soup again with salt, pepper, paprika and sugar.
Dust with flour and sauté briefly. Season with salt, pepper and paprika. Deglaze with stock and wine, bring to the boil, cover and simmer at medium heat for about 1 hour. In the meantime wash parsley, dab dry and cut into strips. Season soup again with salt, pepper, paprika and sugar. Serve sprinkled with parsley