25
25
Microwaving Principles
How Microwaves Cook Food
The microwaves cause the water
molecules to vibrate which causes
friction
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heat
. This heat then cooks
the food. Microwaves are also attracted
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high in these will cook more quickly.
Microwaves can only penetrate to a
depth of 4-5 cm (1½-2 inches) and
as heat spreads through the food by
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inwards.
Foods Not Suitable for Cooking
by Microwave Only
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is because these foods rely on dry
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attempt to cook by microwave.
Foods that require deep fat frying
cannot be cooked either.
Standing Time
When a microwave oven is switched
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by conduction –
not by microwave
energy
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standing time
is very
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reheated meals (refer to page 27).
Boiled Eggs
Do not boil eggs in your
microwave. Raw eggs boiled in
their shells can explode and
cause serious injury.