Cut the herring into bite-sized pieces. Dice the apples and cucumber and cut the onions into rings. Put the cream in a large bowl and sprinkle lightly with the vinegar and sugar
taste sweet and sour. Then stir in the oil vigorously.
Season with salt and pepper. Be careful with salt, as the matjes is also a little salty. Add all remaining ingredients to the cream, stir well and let it steep for about 2 hours. Serve with jacket potatoes.