Possibly defrost the fish. For the cabbage ##peel onions##, dice finely. Heat 1 tablespoon ##lard## in a pot. Brown the onions in it. Add the sauerkraut and tear apart with a fork.
Sprinkle with ##pepper##, sauté briefly. Add cream and bring to the boil. Season with salt, pepper and about 1 teaspoon sugar. Cover and stew at low heat for about 30 minutes.
Peel and wash the potatoes, cover and cook in salted water for about 20 minutes.
Meanwhile, wash the fish, dab dry and cut into 8 longish pieces. Sprinkle with lemon juice, salt. Whisk the eggs. First turn the fish in flour, then pull it through the eggs. Heat 2 tablespoons of lard in a large pan.
Fry the fish for about 6 minutes until crispy.
Wash parsley and shake dry, chop. Drain the potatoes, arrange everything and sprinkle with parsley.