Cut butter into pieces and chill. Carve tomatoes, blanch briefly in boiling water. Remove, rinse with cold water and peel skin. Quarter tomatoes, remove seeds and cut into slices. Drain artichokes, halve or quarter them depending on size. Wash the dill, dab dry. Pluck off flags and chop finely, except for something to garnish. Wash the fish, pat dry and cut into 8 pieces
Heat 1 tablespoon of oil, toss the tomatoes and artichoke hearts in the hot oil. Season to taste with salt, pepper and 2 tablespoons of lemon juice. Heat 2 tablespoons of oil in a coated pan. Season fish with salt, fry in hot oil for 2-3 minutes on each side. Remove from heat and season with pepper. Sprinkle with orange peel
Bring the cream to the boil, season with mustard, salt, pepper and sugar. Add cold butter and mix everything up with the blender until the sauce thickens. Mix in 1 tbsp. lemon juice and dill, mix again briefly and season to taste. Arrange everything together. Garnish with set aside dill