COOKWARE GUIDE
To cook food in the microwave oven, the microwaves must be able to
penetrate the food, without being reflected or absorbed by the dish used.
Care must therefore be taken when choosing the cookware. If the
cookware is marked microwave-safe, you do not need to worry.
The following table lists various types of cookware and indicates whether
and how they should be used in a microwave oven.
Cookware Microwave-
safe
Comments
Aluminum foil
✓ ✗
Can be used in small quantities to
protect areas against overcooking.
Arcing can occur if the foil is too
close to the oven wall or if too much
foil is used.
Browning plate
✓
Do not preheat for more than eight
minutes.
China and
earthenware
✓
Porcelain, pottery, glazed
earthenware and bone china are
usually suitable, unless decorated
with a metal trim.
Disposable
polyester cardboard
dishes
✓
Some frozen foods are packaged in
these dishes.
Fast-food
packaging
• Polystyrenecups
containers
✓
Can be used to warm food.
Overheating may cause the
polystyrene to melt.
• Paperbagsor
newspaper
✗
May catch fire.
• Recycledpaperor
metal trims
✗
May cause arcing.
Glassware
• Oven-to-tableware
✓
Can be used, unless decorated with
a metal trim.
Cookware Microwave-
safe
Comments
• Fineglassware
✓
Can be used to warm foods or
liquids. Delicate glass may break or
crack if heated suddenly.
• Glassjars
✓
Must remove the lid. Suitable for
warming only.
Metal
• Dishes
✗
May cause arcing or fire.
• Freezerbagtwist
ties
✗
Paper
• Plates,cups,
napkins and kitchen
paper
✓
For short cooking times and warming.
Also to absorb excess moisture.
• Recycledpaper
✗
May cause arcing.
Plastic
• Containers
✓
Particularly if heat-resistant
thermoplastic. Some other plastics
may warp or discolour at high
temperatures. Do not use melamine
plastic.
• Clinglm
✓
Can be used to retain moisture.
Should not touch the food. Take care
when removing the film as hot steam
will escape.
• Freezerbags
✓ ✗
Only if boilable or oven-proof. Should
not be airtight. Prick with a fork, if
necessary.
Wax or grease-
proof paper
✓
Can be used to retain moisture and
prevent spattering.
✓
: Recommended
✓✗
: Use caution
✗
: Unsafe
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