Wash the salmon, dab dry and cut into 4-6 pieces. Sprinkle with salt, cover each with 1 slice of lemon and tie up with kitchen string. Put the fish in a cool place and let it simmer. In the meantime clean the savoy cabbage, cut into quarters and cut out the stalk. Cut cabbage into small pieces, wash and drain well. Peel and finely chop the onion. Heat the lard.
Fry onion and cabbage over high heat for 8-10 minutes, turning them over. Heat the oil in a pan and fry the salmon on each side for 4-5 minutes. Season with pepper. Season savoy cabbage with salt and pepper. Deglaze with cream, bring to the boil. Stir in horseradish, season to taste again. Arrange cabbage with the fish parcels