12
Materials you can use in microwave oven
Utensils Remarks
Materials to be avoided in a microwave oven
Utensils Remarks
Aluminum foil Shielding only. Small smooth pieces can be used to cover thin parts
of meat or poultry to prevent overcooking. Arcing can occur if foil
is too close to microwave oven walls. The foil should be at least 1 inch
away from microwave oven walls.
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 microwave oven glassware only. Make sure there is no
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 the microwave
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 the manufacturer.
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.
Aluminum tray May cause arcing. Transfer food into a microwave-safe dish.
Food carton with metal
handle
May cause arcing. Transfer food into a microwave-safe dish.
Metal or metaltrimmed
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 microwave 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.
(2.5cm)
meatallic trim. Do not use cracked or chipped dishes.
icrowave oven
cooking bags
oven unattended while cooking.
microwave
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