- Peel, core and slice the apples
- Thinly slice the onions
1. Soak the herring fillets overnight in water, changing the water several times. Drain and cut the fillets into 1" (2 1/2 cm.) slices.
2. In a saucepan combine the vinegar, bay leaves, sugar and peppercorns. Cover and boil for 5 minutes. Set aside to cool for 15 minutes.
3. Add the sour cream, mustard and mayonnaise, mix well.
4. In a mixing bowl mix the apples and onions and over these pour 1 1/2 cups of boiling water. Let steep for 10 minutes and then drain.
5. In a large-mouthed jar alternate layers of herring with layers of apples and onions. Pour the marinade over and close tightly. Refrigerate for 3 - 4 days before serving.
6. Serve cold as an appetizer.