1. Preheat the oven to 210°C (410°F).
2. Peel and slice a lemon, carrot, onion, and fennel into rounds.
3. Set aside the lemon and carrot rounds.
4. Place the onion and fennel rounds at the bottom of an ovenproof dish.
5. Lay the salmon on top of this bed.
6. Decorate it with a few pretty lemon rounds without their skin.
7. Squeeze the rest of the lemons.
8. Sprinkle with salt, coarsely ground pepper, and chopped dill.
9. Scatter a few coriander seeds and decorate with thin carrot rounds.
10. Cover and cook for 20 minutes in a hot oven.
11. This covered cooking allows for cooking without adding fat.
12. Add a glass of water, if necessary.