Materials you can use in microwave oven
Utensils Remarks
Browning dish Follow manufacturer’s instructions. The bottom of browning dish must be at least 3/16
inch (5mm) above the turntable. Incorrect usage may cause the turntable to break.
Dinnerware Microwave-safe only. Follow manufacturer’s instructions. Do not use cracked or chipped
dishes.
Glass jars Always remove lid. Use only to heat food until just warm. Most glass jars are not heat
resistant and may break.
Glassware Heat-resistant oven glassware only. Make sure there is no metallic trim. Do not use
cracked or chipped dishes.
Oven cooking bags Follow manufacturer’s instructions. Do not close with metal tie. Make slits to allow
steam to escape.
Paper plates and cups Use for short–term cooking/warming only. Do not leave oven unattended while cooking.
Paper towels Use to cover food for reheating and absorbing fat. Use with supervision for a short-term
cooking only.
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.
Wax paper Use as a cover to prevent splattering and retain moisture.
Materials to be avoided in microwave oven
Utensils Remarks
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 twist ties 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.