Clean and wash the mushrooms and spring onions. Cut mushrooms into slices, onions into rings. Mix both with cream cheese and egg yolk. Season with salt, pepper and 1 tablespoon lemon juice
Possibly defrost the fish. Wash fish, dab dry, season. Place them side by side in a greased casserole dish. Spread with cheese cream. Roast in the preheated oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 20 minutes
Wash the dill and cut it finely. Wash the cucumber, peel if necessary and slice thinly. Mix 2 tablespoons lemon juice, sugar, salt and pepper. Fold in 2 tablespoons of oil. Mix with cucumber and dill. Arrange everything. Garnish with lemon and dill. Serve with baguette or puree
Drink: cool white wine