Clean the leek, cut lengthways, wash and cut into rings. Peel the carrots and cut into thin slices. Sauté both in oil and butter for 2 minutes while stirring. Add the vegetable stock and herbal cream cheese, bring to the boil briefly. Season with salt, pepper and nutmeg. Put in a greased baking dish. Sprinkle with the grated Gouda cheese and bake in the preheated oven on the 2nd rack from the bottom at 220 degrees (convection 200 degrees) for 10-12 minutes. Sprinkle with chopped parsley.