Parchment
paper
Use as a cover to prevent splattering or a wrap for
steaming.
Plastic Microwave-safe only. Follow the manufacturer’s
instructions. Should be labeled "Microwave Safe". Some
plastic containers soften, as the food inside gets hot.
"Boiling bags" and tightly closed plastic bags should be
slit, pierced or vented as directed by package.
Plastic wrap Microwave-safe only. Use to cover food during cooking to
retain moisture. Do not allow plastic wrap to touch food.
Thermometers Microwave-safe only (meat and candy thermometers).
Wax paper Use as a cover to prevent splattering and retain moisture.
Aluminum tray May cause arcing. Transfer food into microwave-safe
dish.
Food carton with
metal handle
May cause arcing. Transfer food into microwave-safe
dish.
Metal or metal -
trimmed utensils
Metal shields the food from microwave energy. Metal trim
may cause arcing.
Metal twistties May cause arcing and could cause a fire in the oven.
Paper bags May cause a fire in the oven.
Plastic foam Plastic foam may melt or contaminate the liquid inside
when exposed to high temperature.
Wood Wood will dry out when used in the microwave oven and
may split or crack.