Cook the ribbon noodles in plenty of boiling salted water for 8-10 minutes. In the meantime clean, wash and slice the mushrooms. Cut ham into strips. Wash the herbs and dab dry. Cut chives into fine rolls, chop parsley finely, except for a little bit for garnishing. Drain the pasta. Whisk milk and eggs.
Season with salt, pepper and nutmeg. Stir in herbs. Mix noodles, mushrooms, ham and frozen peas. Pour into a greased ovenproof dish and pour the egg milk over it. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 45 minutes. If necessary, cover the casserole after 30 minutes. Serve garnished with parsley