Sledz w Smietanie

• salted herring, 600 g (1¼ lb)
• a large apple, peeled and shredded
• a medium onion, chopped

Soak the herring in several changes of water for 24 hours, then drain and remove the fillets. Cut these into pieces of about 3 cm and arrange them on a dish. Mix all the remaining ingredients, except the parsley, together and pour them over the herring; then sprinkle the parsley on top.

Thi