
To cook food in plastic utensils use specially developed microwave cookware. Paper cups, plates, towels, wax paper and paper cartons can be used for heating. Prolonged time in the oven can cause paper to burn. Greaseproof paper can be used as a covering during cooking. Metal dishes and foil reflect microwaves and inhibit cooking and should not be used in a microwave oven. Exceptions: Small pieces of aluminium foil can be used to cover, for example wing and leg tips when cooking poultry to pr