9
COOKING INSTRUCTIONS
Utensil Guide
Only use utensils 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 utensil. If the
utensil is marked microwave-safe, you do not need to worry. The following table lists various of utensil
and indicates whether and how they should be used in a microwave oven.
O
: Recommended use
V
: Limited Use
: Not Recommended
Utensil
Safe
Comments
Aluminium 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 8minutes.
China and earthenware
●
Porcelain, pottery, glazed earthenware and bone china
are usually suitable, unless deco-rated with a metal trim.
Disposable polyester cardboard
dishes
●
Some frozen foods are packaged in these dishes.
Fast-food packaging
• Polystyrene cups containers
• Paper bags or newspaper
• Recycled paper or metal trims
●
✕
✕
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
●
●
●
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
✕
✕
May cause arcing or fire.
Paper
• Plates, cups, napkins and
Kitchen paper
• Recycled paper
●
✕
For short cooking times and warming. Also to absorb
excess moisture.
May cause arcing.
Plastic
• Containers
• Cling film
• Freezer bags
●
●
▲
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.
Take care when removing the film as hot steam will
escape.
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.
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