ITEM MICROWAVE COMMENTS
Yes for Small strips of foil can be molded around thin parts of
Aluminum Foil Shielding meat or poultry to prevent overcooking. Arcing can occur
only if foil is too close to oven wall or door and damage to your
oven will result.
Browning dishes are designed for microwave cooking
Browning Dish Yes only. Check browning dish information for instructions
and heating chart. Do not preheat for more than 6 minutes.
Brown paper bags No May cause a fire in the oven.
Dinnerware: Check manufacturers' use and care directions for use in
Labeled Yes microwave heating. Some dinnerware may state on the
“Microwave Safe” back of the dish, “Oven-Microwave Safe”.
Unlabeled Dinnerware ? Use CONTAINER TEST below.
Disposable polyester Yes Some frozen foods are packaged in these dishes. Can be
Paperboard Dishes purchased in grocery stores.
Fast Food Carton No Metal handle may cause arcing.
with Metal Handle
Frozen Dinner Tray No Metal can cause arcing and damage to your oven.
Frozen Dinner Tray Yes Heat only 1 tray in the oven at one time.
Glass Jars No Most glass jars are not heat resistant. Do not use for
cooking or reheating.
Heat Resistant Oven Yes Ideal for microwave cooking and browning.
Glassware & Ceramics (See CONTAINER TEST below)
Metal Bakeware No Not recommended for use in microwave ovens. Metal can
cause arcing and damage to your oven.
Metal Twist-Ties No May cause arcing which could cause a fire in the oven.
Follow manufacturers' directions. Close bag with the nylon
tie provided, a strip cut from the end of the bag, or a piece
Oven Cooking Bag Yes of cotton string. Do not close with metal twist-tie. Make six
1/2-inch (1 cm) slits near the closure.
Paper Plates & Cups Yes, Use to warm cooked foods, and to cook foods that require
short cooking time such as hot dogs.
Paper Towels & Napkins Yes, Use to warm rolls and sandwiches, only if labeled safe for
Recycled Paper Towels No Recycled paper products may contain impurities which may
& Napkins cause sparks.
Parchment Paper Yes Use as a cover to prevent spattering. Safe for use in
microwave, microwave/convection and conventional ovens.
Plastic: Should be labeled, "Suitable for Microwave Heating." Check
Microwave Safe Yes, manufacturers’ directions for recommended uses.
Cookware use caution Some microwave safe plastic containers are not suitable for
cooking foods with high fat or sugar content. The heat from
hot food may cause the plastic to warp.
Plastic, Melamine No This material absorbs microwave energy. Dishes get HOT!
Plastic Foam Cups Yes, Plastic foam will melt if foods reach a high temperature. Use
short term only
to reheat foods to a low serving temperature only.
Use to cover food during cooking to retain moisture and
Plastic Wrap Yes prevent spattering. Should be labeled “Suitable for
Microwave Heating”. Check package directions.
Yes, Use only for short term reheating and to bring food to a low
Straw, Wicker, Wood
short term only
serving temperature. Wood may dry out & split or crack
Thermometers- Yes Use only microwave safe meat and candy thermometers.
Thermometers- No Not suitable for use in microwave oven, will cause sparks
Conventional and get hot.
Wax paper Yes Use as a cover to prevent spattering and to retain moisture.
TO TEST A CONTAINER FOR SAFE MICROWAVE OVEN USE: Fill a microwave safe cup with cool water
and place it in the microwave oven alongside the empty container to be tested; heat one (1) minute at P10
(HIGH). If the container is microwave oven safe (transparent to microwave energy), the empty container
should remain comfortably cool and the water should be hot. If the container is hot, it has absorbed some
microwave energy and should NOT be used. This test cannot be used for plastic containers.