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English
Cookware guide
C
ookw
ar
e g
uide
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.
Crust plate
✓
Do not preheat for more than 8 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
• Polystyrene cups
containers
✓
Can be used to warm food. Overheating may
cause the polystyrene to melt.
• Paper bags or
newspaper
✗
May catch fire.
• Recycled paper or
metal trims
✗
May cause arcing.
Glassware
• Oven-to-tableware
✓
Can be used, unless decorated with a metal
trim.
• Fine glassware
✓
Can be used to warm foods or liquids. Delicate
glass may break or crack if heated suddenly.
• Glass jars
✓
Must remove the lid. Suitable for warming only.
Metal
• Dishes
✗
May cause arcing or fire.
• Freezer bag twist ties
✗
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