Wash the potatoes and cook in boiling water for about 20 minutes. Put spinach and 100 ml water in a pot and heat up for about 15 minutes in a closed pot. Take out 1/3 spinach, drain well and chop coarsely. Add crème fraîche and mayonnaise to the chopped spinach and mash coarsely. Season with salt, pepper and a few drops of lemon juice. Fold in the rest of the spinach.
Keep warm. Drain and peel the potatoes. Heat the fat in a pan. Fry the potatoes until crispy. Sprinkle with sugar and caramelize. Wash the salmon carefully and dab dry. Sprinkle with 4 tablespoons of lemon juice and season with salt. Heat the oil in a pan. Fry the salmon on each side for about 3 minutes. Wash the chervil and shake dry. Pluck the leaves from the stems, except for a few for garnishing, and chop finely. Fold the chervil into the sauce.
Sprinkle with 4 tablespoons of lemon juice and season with salt. Heat the oil in a pan. Fry the salmon on each side for about 3 minutes. Wash the chervil and shake dry. Pluck the leaves from the stems, except for a few for garnishing, and chop finely. Fold the chervil into the sauce. Arrange fish, spinach and potatoes on plates. Garnish with pink berries, remaining chervil and lemon slices
Picture 02: Possibly garnish with nasturtium blossoms