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Utensils Remarks
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 they do not have any metallic trim.
Do not use cracked or chipped dishes.
Oven Cooking Bags Follow manufacturer's instructions. Do not close bags with metal tie wraps. Make
small slits in bag to allow steam to escape.
Paper Plates Use to cover food for re-heating and absorbing fat .
and Cups Use with supervision for short-term cooking only.
Paper towels Use for short-term cooking/warming only .Use with supervision
for short-term cooking only.
Parchment Paper Use to cover food to prevent spattering or as wrapper 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
or as directed on package.
Plastic Wrap Microwave-safe only. Use to cover food during cooking to retain moisture .
Do not allow plastic wrap to touch food.
Thermometers Use Microwave-safe only (meat thermometers).
Wax Paper Use as a cover to prevent splattering and to retain moisture
Materials you can use in microwave oven
Materials to be avoided in microwave oven
Utensils Remarks
Aluminum Trays 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 and could cause a fire in the oven.
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 Cups Plastic foam may melt or contaminate the liquid inside
when exposed to high temperature.
Wooden Utensils Wood will dry out when used inside microwave
oven and may split or crack.