Provided is a frozen noodle which can keep good quality even after the frozen noodle has undergone microwave thawing. A packaged frozen noodle which is to be subjected to microwave cooking and which is provided with a packaging body having ventilation parts wherein: the total area of openings of the ventilation parts is 0.02 to 5cm2 per 100cm2 of the surface area of the packaging body; and a cooked noodle and 1 to 10 parts by mass of water per 100 parts by mass of the cooked noodle are put in the packaging body the cooked noodle and the water being in a frozen state.