For the salad, clean, wash and cut the tomatoes into eighths. Peel the onion and cut into slices. Peel carrots, grate roughly. Clean, wash and cut romaine lettuce into fine strips. Wash rocket, cut coarsely.
Vinegar and olive oil whipped. Season with salt, pepper and sugar. Mix prepared salad ingredients and marinade, season if necessary. Wash the giltheads and dab dry. Make several light cuts on both sides.
Lightly dust with flour and tap well. Season with sea salt and freshly ground pepper. Wash and chop the thyme. First heat 2 tablespoons of oil in an oval, coated pan. Fry 2 dorades in it over a high heat for 12-15 minutes.
Turn once. Season with lemon juice and thyme. Prepare the rest of the giltheads in the same way. Sprinkle with parsley and serve garnished with lemon.