Defrost the fish. Wash the chervil, dab dry, remove coarse stalks and chop coarsely. Dab fish dry, cut into pieces and season with salt and pepper. Heat 1 tablespoon of oil in a pan. Fry the fish for about 3 minutes on each side.
Heat 1 tablespoon of oil in another pan. Add the vegetables and 3-4 tablespoons of water and fry for 7-9 minutes, stirring several times. Fold in fish and chervil. Season with chili sauce. Arrange everything on preheated plates and add flat bread