Drizzle the fish fillets with lemon juice and let them steep.
Briefly sauté the garlic and onion in margarine and then cover the bottom of a baking dish nicely.
Season the fish fillet well with salt and pepper and place on top.
Mix the cream cheese with the cream and herbs to a smooth sauce and pour over the fish fillets. Put the dish in the preheated oven at 200 ° and bake for approx. 35 minutes.