Defrost the fish. Then wash, pat dry and sprinkle with lemon juice. Leave to stand for a while
Clean, wash and cut the leek into rings. Sauté in hot fat in a pot. Fry the rice briefly. Add 1/2 l water, add salt. Bring to the boil, cover and let it swell at low heat for about 20 minutes
Peel the onion. Finely dice onion and bacon. Fry both in 1 tablespoon of hot oil. Sprinkle with 2 tbsp. flour and sauté. Stir in 1/2 l water, broth and mustard. Bring to the boil and simmer for about 5 minutes. Season to taste with salt and pepper
Salt the fish. First turn in 4-5 tablespoons of flour, then in whisked eggs. Heat 2-3 tablespoons of oil in a large coated pan. Fry the fish for about 3 minutes on each side. Arrange everything, garnish if necessary