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 | ||
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| used. | |
| Care must therefore be taken when choosing the cookware. If the | |
| cookware is marked | |
| The following table lists various types of cookware and indicates | |
| whether and how they should be used in a microwave oven. |
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 |
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| wall or if too much foil is used. |
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Browning plate | ✓ | Do not preheat for more than eight | |
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| minutes. |
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China and earthenware | ✓ | Porcelain, pottery, glazed earthenware | |
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| and bone china are usually suitable, |
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| unless decorated with a metal trim. |
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Disposable polyester | ✓ | Some frozen foods are packaged in | |
cardboard dishes |
| these dishes. | |
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✓ | Can be used to warm food. Overheating | ||
• | Polystyrene cups | ||
| containers | ✗ | may cause the polystyrene to melt. |
• | Paper bags or | May catch fire. | |
| newspaper | ✗ | May cause arcing. |
• | Recycled paper or | ||
| metal trims |
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Glassware | ✓ | Can be used, unless decorated with a | |
• | |||
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| ✓ | metal trim. |
• | Fine glassware | Can be used to warm foods or liquids. | |
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| Delicate glass may break or crack if |
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| ✓ | heated suddenly. |
• | Glass jars | Must remove the lid. Suitable for warming | |
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| only. |
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Metal | ✗ | May cause arcing or fire. | |
• | Dishes | ||
• Freezer bag twist ties | ✗ |
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Paper | ✓ | For short cooking times and warming. | |
• | Plates, cups, napkins | ||
| and Kitchen paper | ✗ | Also to absorb excess moisture. |
• | Recycled paper | May cause arcing. | |
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Plastic | ✓ | Particularly if | |
• | Containers | ||
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| thermoplastic. Some other plastics may |
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| warp or discolour at high temperatures. |
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| ✓ | Do not use Melamine plastic. |
• | Cling film | Can be used to retain moisture. Should | |
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| not touch the food. Take care when |
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| removing the film as hot steam will |
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| ✓ ✗ | escape. |
• | Freezer bags | Only if boilable or | |
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| be airtight. Prick with a fork, if necessary. |
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Wax or | ✓ | Can be used to retain moisture and | |
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| prevent spattering. |
✓:Recommended ✓✗:Use Caution ✗ :Unsafe
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