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To cook/defrost food in a microwave oven, the microwave energy must be able to pass through the container to
penetrate the food. Therefore it is important to choose suitable cookware.
Round/oval dishes are preferable to square/oblong ones, as the food in the corners tends to overcook. A variety
of cookware can be used as listed below.
Cookware
Aluminium foil
Foil Containers
Browning dishes
China and ceramics
Glassware e.g. Pyrex ®
Metal
Plastic/Polystyrene e.g fast
food containers
Freezer/Roasting bags
Paper - Plates, cups and
kitchen paper
Straw and wooden
Containers
Recycled paper and
newspaper
WARNING:
When heating food in plastic or paper containers, monitor the oven due to the possibility of
ignition.
Microwave
Grill
Comments
Safe
✔ / ✘
Small pieces of aluminium foil can be used to shield
✔
food from overheating. Keep foil at least 2cm from the
oven walls, as arcing may occur.
by the manufacturer, e.g. Microfoil ®, follow instructions
carefully.
Always follow the manufacturers instructions.
✔
✘
Do not exceed heating times given. Be very careful as
these dishes become very hot.
✔ / ✘
Porcelain, pottery, glazed earthenware and bone china
✘
are usually suitable, except for those with metallic
decoration.
✔
✔
break or crack if heated suddenly.
It is not recommended to use metal cookware as it will
✘
✔
Care must be taken as some containers warp, melt or
✔
✘
discolour at high temperatures.
Must be pierced to let steam escape. Ensure bags are
✔
✘
suitable for microwave use.
Do not use plastic or metal ties, as they may melt or
✔
✘
Only use for warming or to absorb moisture.
✔
✘
Always attend the oven when using these materials as
✘
✔
May contain extracts of metal which will cause 'arcing'
GB-15
A
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SUITABLE OVENWARE
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