6
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 least 3/16 inch (5mm) above the turntable. Incorrect usage may cause
the turntable to break.
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 not heat resistant and may break.
Heat-resistant oven glassware only. Make sure there is no metallic trim.
Do not use cracked or chipped dishes.
Follow manufacturer’s instructions. Do not close with metal tie. Make
slits to allow steam to escape.
Use for short–term cooking/warming only. Do not leave oven unattended
while cooking.
Use to cover food for reheating and absorbing fat. Use with supervision
for a short-term cooking only.
Use as a cover to prevent splattering or a wrap for steaming.
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.
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.
Browning dish
Glass jars
Glassware
Oven cooking
bags
Paper plates
and cups
Paper towels
Parchment
paper
Plastic
Plastic wrap
Dinnerware
Materials to be avoided in microwave oven
Utensils Remarks
Aluminum tray
Food carton with
metal handle
Metal or metal-
trimmed utensils
Metal twist ties
Paper bags
Plastic foam
Wood
Metal shields the food from microwave energy. Metal trim may
cause arcing.
May cause a fire in the oven.
Plastic foam may melt or contaminate the liquid inside when exposed
to high temperature.
Wood will dry out when used in the microwave oven and may split
or crack.
May cause arcing. Transfer food into microwave-safe dish.
May cause arcing. Transfer food into microwave-safe dish.
May cause arcing and could cause a fire in the oven.
