Peel the carrots, leave some green. Wash the carrots. Melt butter in a pot. Sauté the carrots in it, season with salt and pepper. Pour on 100 ml water and cook for about 10 minutes.
Wash the fish, pat dry and cut into 4 pieces and sprinkle with lemon juice. Mix flour, breadcrumbs and 1/2 teaspoon salt. Turn the fish in it. Heat oil in a pan. Fry the fish for about 6 minutes, turning it from time to time.
Mix yoghurt and sour cream. Season to taste with salt, pepper, chilli and sugar. Wash the wild garlic, dab dry, put something aside for garnishing. Coarsely chop wild garlic and add to yoghurt. Sprinkle with chilli.
Arrange fish, carrots and some sauce on plates. Garnish with wild garlic. Serve the rest of the sauce separately.