You will need
    • 2 herring
    • 1 onion
    • 3 tablespoons vegetable oil
    • 1 tablespoon wine vinegar
    • a pinch of sugar
    • ground black pepper
Instruction
1
Rinse the herring under running cold water.
2
Put the fish on some paper towels.
3
Remove the tail, all fins and head.
4
Slit the belly and clean out the insides.
5
Rinse the fish again and change towels, throwing the entrails and the fins.
6
Make a cut along the spine of the fish and, starting at the top of the carcass, skin.
7
Then, from the side of the ridge with a knife, separate the fillet from the bones.
8
Chop the fish portions.
9
Onions clean and cut into thin rings.
10
Make a marinade. Cream the butter and add the vinegar, a pinch of sugar and pepper.
11
All whisk well with a whisk.
12
Place chicken and onion in marinade and carefully, but being careful not to damage the meat, stir.
13
Leave on for 20-30 minutes.
14
Serve with pickled onions.