M&S Chow Mein Noodle Box Enjoy a tasty dinner in minutes with our chow mein noodle box. Included is medium wheat noodles with a rich savoury sauce. Top with cooked chicken, prawns or a vegan alternative for a filling meal. Serves 1. Simply empty content of noodle and sauce pack into the box and close the lid, microwave for 2 minutes, mix thoroughly and enjoy straight from the box! You can also cook the dish on the hob is adding meat and vegetables.