Cookware Guide
GB
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
Cookware | Microwave- | Comments | |
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| Safe |
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| |
Aluminium foil | ✓ ✗ | Can be used in small quantities to protect | |
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| areas against overcooking. Arcing can |
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| occur if the foil is too close to the oven wall |
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| or if too much foil is used. |
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Browning plate | ✓ | Do not preheat for more than eight minutes. | |
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China and earthenware | ✓ | Porcelain, pottery, glazed earthenware and | |
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| bone china are usually suitable, unless |
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| decorated with a metal trim. |
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| |
Disposable polyester | ✓ | Some frozen foods are packaged in these | |
cardboard dishes |
| dishes. | |
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| ✓ |
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• | Polystyrene cups | Can be used to warm food. Overheating | |
| containers | ✗ | may cause the polystyrene to melt. |
• | Paper bags or | May catch fire. | |
| newspaper | ✗ |
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• | Recycled paper or | May cause arcing. | |
metal trims
Plastic
• | Containers | ✓ | Particularly if |
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| Some other plastics may warp or discolour |
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| at high temperatures. Do not use Melamine |
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| ✓ | plastic. |
• | Cling film | Can be used to retain moisture. Should not | |
| touch the food. Take care when removing | ||
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• | Freezer bags | ✓ ✗ | the film as hot steam will escape. |
Only if boilable or | |||
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| airtight. Prick with a fork, if necessary. |
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Wax or | ✓ | Can be used to retain moisture and prevent | |
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| spattering. |
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✓ :Recommended ✓✗ :Use Caution
✗:Unsafe
Glassware
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• | Fine glassware | ✓ |
• | Glass jars | ✓ |
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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 | ✗ | May cause arcing or fire. |
• | Freezer bag twist | ✗ |
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| ties |
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Paper |
| ✓ |
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• | Plates, cups, | For short cooking times and warming. Also | |
| napkins and |
| to absorb excess moisture. |
| Kitchen paper | ✗ |
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• | Recycled paper | May cause arcing. | |
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