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required in normal ovens. This depends
on the density, heat and quantity of the
content to be cooked.
• You may cook the food in its own juice
without adding too much or no season-
ing, and preserve its natural taste.
• Microwave ovens waste less energy. The
energy is only used at cooking. Energy
does not go to waste in a microwave.
• You do not need to worry about the meat
being defrosted or not. Microwave ovens
defrost frozen foods in little time, hence
you may start cooking immediately. This
reduces the risk of bacterial growth.
• Due to the shorter cooking time, it pre-
serves the nutritional values of the food.
• It offers easier cleaning than conven-
tional ovens.
In theory the microwave
• Microwave is a sort of energy that is sim-
ilar to radio and television waves. The
magnetron tube inside your microwave
oven creates microwave energy. Mi-
crowave energy spreads in all directions
inside the oven and is reflected from the
side walls, penetrating the food evenly.
Microwaves cause the molecules in the
food to vibrate rapidly. This vibration cre-
ates the heat that cooks the food.
• Microwaves do not pass through the
metal walls of your oven. Microwaves
can pass through materials such as
ceramics, glass or paper.
Why does food get hot?
• Most foods contain water, and water mo-
lecules vibrate when exposed to mi-
crowaves. The friction between the mo-
lecules creates the heat that warms the
food, defrosts the frozen goods, cooks or
keeps the warmth. Because of the rising
heat inside the food
• Food can be cooked with little to no oil at
all;
• Defrosting, heating or cooking is a lot
faster in a microwave than it is in tradi-
tional ovens;
• The vitamins, minerals and nutrients are
kept inside the food;
• The natural colour and flavour of the food
does not change.
Suitable containers for microwave ovens
Microwaves can pass through porcelain,
glass, cardboard or plastic, but not metals.
Therefore, metal containers or containers
with metal parts cannot be used in a mi-
crowave oven.
Microwaves are reflected from metal...
...but go through glass or porcelain...
...and are absorbed by foods.
Fire risk!
Never put your metal or metal
coated containers into the mi-
crowave oven.
• Microwaves cannot penetrate metal. Mi-
crowaves will reflect off any metal ob-
jects in the oven causing dangerous elec-
tric arcing. Most heatproof non-metallic
containers are suitable for use in a mi-
crowave oven. But some containers may
include inappropriate material for use in
a microwave oven. To determine if a con-
tainer is suitable for a microwave, you
may use the following test:
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