Wash the fish fillet, pat dry and cut into 2 pieces. Sprinkle with lemon juice and let it steep a little
Peel or clean and wash the vegetables. Carrot and leek and cut into fine strips. Grate celery roughly. Cut cheese into fine strips. Mix celery and cheese. Season with salt and pepper
Pour a good 1/8 l of hot water into an ovenproof mould, dissolve the stock in it. Spread carrot and leek strips in it. Place fish on top and season with salt and pepper. Spread the celery and cheese mixture on top.
Bake in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 20 minutes. Garnish with lemon and dill. Add baguette