Peel and wash the potatoes. Clean, wash and slice the carrots. Clean, wash and slice spring onions. Heat the oil in a pot, fry the potatoes for about 10 minutes while turning, add the vegetables 2 minutes before the end of the frying time. Deglaze with broth and simmer for about 12 minutes at medium heat. Season to taste with salt and pepper. In the meantime, wash the fish, dab dry with kitchen paper, sprinkle with lemon juice and salt.
Then turn in flour. Heat clarified butter in a large frying pan, add the fish and fry on each side for about 4 minutes at medium heat. In the meantime wash parsley, dab dry and chop finely. Foam butter in a small pot and add parsley. Pour foamed parsley butter over fish and arrange vegetables on two plates. Serve garnished with lemon wedge and parsley leaf