Ingredients
Preparation
Pickled red onion
- Peel the onion and cut into very thin rings.
- Mix the vinegar, sugar and salt, add the onion rings and leave to stand for at least 10 minutes.
Eggs
- Boil the eggs for 8 minutes, then rinse under cold water, peel and cut into slices.
Tartare sauce
- Mix the mayonnaise with the gherkins, capers, shallot and mustard.
- Stir in the parsley and lemon juice and season to taste with salt and pepper.
Assembly
- Butter the slices of bread and spread with a little tartare sauce.
- Arrange the egg slices on top and place a herring fillet on each slice.
- Add a spoonful of the remaining tartare sauce.
- Drain the onion rings and scatter over the fish with the capers.
- Finish with chives and freshly ground black pepper and serve immediately.
