Peel, wash and halve the potatoes. Clean the beetroots, wash them very thoroughly. Cover and cook in boiling salted water for 30-35 minutes.
For the salad mix vinegar, honey, salt and pepper. Fold in 1 tablespoon of oil. Wash the salad well and drain.
Wash the lemon and grate dry. Cut off 2 slices, squeeze the rest of the lemon. Rinse fish and pat dry. Make two light incisions in the sides of the skin. Sprinkle with lemon juice, season with salt.
Drain the potatoes and beetroot. Peel and dice the beetroot. Mash both into puree, stirring in milk. Season to taste with salt. Keep warm.
Roast the nuts without fat, remove. Heat 1 tsp. oil in a frying pan. Sauté the fish for approx. 3 minutes on the skin side first, turn and continue to fry for approx. 2 minutes. Fry the lemon slices briefly.
Wash the dill, shake dry and pluck the banner. Mix salad with vinaigrette. Arrange everything. Sprinkle with dill and nuts.