Wash the potatoes and cook in plenty of boiling water for about 20 minutes. Wash herbs, shake dry. Cut chives into fine rolls. Pluck the dill flags from the stalks and cut them finely.
Pluck parsley leaves from the stalks and chop finely, except for something to garnish. Cut cucumbers into fine cubes. Mix salad cream, yoghurt, mustard, cucumber and herbs. Season to taste with salt, pepper and vinegar.
Cut the bacon into strips. Peel onion and cut into cubes. Rinse potatoes under cold water, drain and peel. Cut potatoes into slices. Heat 2 tablespoons of clarified butter in a pan.
Fry the potatoes for 10-15 minutes while turning. After 10 minutes add bacon and onion. In the meantime, wash the fish, dab dry and season with salt and pepper. Turn in flour. Heat 1 tbsp. clarified butter and fry the fish for approx. 6 minutes, turning them over.
Arrange on plates and garnish with parsley. Serve with green salad and sour cream dressing.