Wash the herbs, dab dry. Cut or chop marjoram and thyme very finely. Wash the lemon, dab dry and grate the peel. Mix herbs with lemon and olive oil. Season to taste with salt and pepper.
Wash, clean and slice the tomatoes. Wash fish, dab dry. Place tomato slices on 4 double-layered parchment paper sheets (approx. 15 x 15 cm). Place fish on top. Place each sheet with fish and tomatoes in the middle of 4 pieces of parchment (35 x 28 cm).
Sprinkle with the herb and oil mixture and 1 tablespoon of white wine each. Sprinkle with some sea salt. Add bay leaves. Wrap into packages and tie the ends together with kitchen string. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 15-20 minutes.