Portions for 1 serving:
1 fillet of smoked herring
1 steamed potato
2 steamed carrots
1/2 oz of finely chopped onion (2 slices)
1 tbsp olive oil
1 tsp balsamic vinegar
1 tsp wine vinegar
1/8 tsp mustard
1/8 tsp iodized salt
Steam the vegetables: the potato in dice and the carrot in slices.
Chop up the two onion slices to insert them in the mustard sauce.
Place the herring fillet and the hot vegetables on a large plate and pour the mustard sauce over the vegetables.