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COOKING GUIDE
COOKWARE GUIDE
Only use cookware that are suitable for use in microwave ovens.
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
choosing the cookware. If the cookware is marked microwave-safe, you do not need to
worry. The following table lists various cookware and indicates whether and how they
should be used in a microwave oven.
COOKWARE SAFE COMMENTS
Aluminium foil Limited 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.
Crisp Plate Safe Do not preheat for more than 8 minutes.
China and earthenware Safe Porcelain, pottery, glazed earthenware and bone china
are usually suitable, unless decorated with a metal trim.
Disposable polyester
cardboard dishes
Safe Some frozen foods are packaged in these dishes.
Fast-food packaging
• Polystyrene cups containers
• Paper bags or newspaper
• Recycled paper or metal trims
Safe
Not safe
Not safe
Can be used to warm food. Overheating may cause the
polystyrene to melt.
May catch fire.
May cause arcing.
Glassware
• Oven-to-table ware
• Fine glassware
• Glass jars
Safe
Safe
Safe
Can be used, unless decorated with a metal trim.
Can be used to warm foods or liquids. Delicate glass may
break or crack if heated suddenly.
Must remove the lid. Suitable for warming only.
Metal
• Dishes
• Freezer bag twist-ties
Not safe
Not safe
May cause arcing or fire.
Paper
• Plates, cups, napkins and Kitchen
paper
• Recycled paper
Safe
Not safe
For short cooking times and warming. Also to absorb
excess moisture.
May cause arcing.
Plastic
• Containers
• Cling film
• Freezer bags
Safe
Safe
Limited
Particularly if heat-resistant thermoplastic. Some other
plastics may warp or discolour at high temperatures. Do not
use melamine plastic.
Can be used to retain moisture. Should not touch the food.
Only if boilable or oven-proof. Should not be airtight.Prick
with a fork, if necessary.
Wax or grease-proof paper Safe Can be used to retain moisture and prevent spattering.
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