There may be certain non-metallic utensils that are not safe to use for microwaving. If in doubt, you can
test the utensil in question following the procedure below.
UTENSIL TEST:
1.
Fill a microwave-safe container with 1 cup of cold water (250ml) along with the utensil in question.
2.
Cook on maximum power for 1 minute.
3.
Carefully feel the utensil. If the empty utensil is warm, do not use it for microwave cooking.
4.
Do not exceed 1 minute cooking time.
MATERIALS YOU CAN USE IN 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 oven
walls. The foil should be at least 1 inch (2.5cm) away from oven walls.
Follow manufacturer's instructions. The bottom of browning dish must be at
Browning dish
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.
Always remove lid. Use only to heat food until just warm. Most glass jars are
Glass jars
not heat resistant and may break.
Heat-resistant oven glassware only. Make sure there is no metallic trim. Do
Glassware
not use cracked or chipped dishes.
Follow manufacturer's instructions. Do not close with metal tie. Make slits
Oven cooking bags
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.
Thermometers
Microwave-safe only (meat and candy thermometers).
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
May cause arcing. Transfer food into microwave-safe dish.
metal handle
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