Ingredients
- Potato – 4 pcs
- Herring fillet, sliced – 200 g
- Red onion – 1 pc
- Olive oil – 30 g
- Salt, pepper, to taste
- Chives, for serving
- Oil for frying
For sauce
- Mustard – 1 tbsp
- French mustard – 1 tbsp
- Chicken egg (yolk) – 1 pc
- Lemon juice – 1 tbsp
- Oil for dressing – 80 g
- Salt - to taste
Cooking