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Advice on the use of Cookware
Metal
Do not use metal dishes, tinned food, food wrapped
in tin foil and cutlery inside the microwave oven. The
metal reflects the microwaves and food is not
heated.
The food should be removed from its tin foil
containers and placed in dishes adequate for use in
the microwave oven. As microwaves don't penetrate
tin foil, the food heats only on the surface. By using
appropriate dishes, the heat is evenly distributed
throughout the food.
EXCEPTIONS:
EXCEPTIONS:
EXCEPTIONS:
EXCEPTIONS:
To cook or defrost pieces of meat of irregular sizes,
you may cover the thinner parts with tin foil, which
should be kept at least 2 cm away from the oven
walls, otherwise these may cause an electric arc.
Metal spits may be used as long as they are smaller
than the pieces of meat.
Glass
All heat proof glass containers may be used.
Crystal contains a percentage of lead, which may
cause it to crack if used in the microwave oven. The
same may happen to glass dishes with jagged
edges.
Porcelain
Porcelain dishes may be used but they should not
have hollow handles.
Humidity may be formed inside the hollow handles,
which will causes an increase in pressure that may
cause them to break.
Glazed Ceramic Dishes
This type of dish may heat considerably.
Painted glazed ceramic dishes may be used if the
painting is done under the glaze.
Many
glazes
and
colours
contain
metallic
substances. If this is the case they should not be
used in the microwave as they may be damaged.
Recipients with silver and gold glazes may go dark.
Plastic
Plastic dishes should be heat resistant (at least
180° C) or they may be deformed when used in the
microwave. Melamine dishes are not suitable for use
in the microwave as they heat up too much.
To cook or heat food in plastic bags, they should be
perforated to allow vapour to escape thus preventing
the bag from bursting.
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