Ingredients (four people): 4 Belgian endives, 8 herring filets, 1 apple, 1 medium-sized onion, parsley, chervil, 1 egg yolk, oil, vinegar, lemon juice, pepper, salt, 1/2 tsp mustard, 1 tbsp creme fraiche.
Preparation: Rinse the endives and remove the bitter core. Dry the endives and slice them. Dice the apple in small pieces. Spread lemon juice over the sliced endives and apple. For the vinaigrette, mix salt, mustard and vinegar until the salt is fully dissolved. Add thinly sliced onion, oil, egg yolk, pepper, parsley and cream. Mix well. Mix the endives, the apple and the vinaigrette. Decorate the salad with the herring filets, parsley and chervil.