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en-us_main.book.book Page 16 Friday, January 26, 2024 2:19 PM
16 OPERATION
• Paper
- Use paper towels, waxed paper, paper
napkins, and paper plates with no metal rims
or design. Look for the manufacturer's label
for use in the microwave oven.
- Paper plates and containers are convenient
and safe to use in the microwave oven,
provided that the cooking time is short and the
foods to be cooked are low in fat and
moisture. Paper towels are also very useful for
wrapping foods and for lining baking trays in
which greasy foods such as bacon are cooked.
- Avoid colored paper products as the color may
run. Do not use recycled paper products in the
microwave oven. They may contain impurities
which could cause arcing or fires when used in
the microwave.
• Tableware
- Many containers made of pottery, stoneware
and ceramic are also microwave-safe. If in
doubt consult the manufacturer's literature or
perform the microwave test.
- Do not put plates with painted decoration in
the oven, as the paint may contain metal and
cause arcing.
Microwave-Unsafe Cookware
• Metal Containers/Metal Decoration
- Never use metal or metal-rimmed cookware in
the microwave oven.
- Microwaves cannot penetrate metal. They will
bounce off any metal object in the oven and
cause arcing, an alarming phenomenon that
resembles lightning.
- Metal shields the food from microwave energy
and produces uneven cooking. Also avoid
metal skewers, thermometers, foil trays,
metal-rimmed or metal-banded dinnerware,
casserole dishes, etc. The metal rim interferes
with normal cooking and may damage the
oven.
• Aluminum Foil
- Avoid large sheets of aluminum foil because
they hinder cooking and may cause harmful
arcing.
- Use small pieces of foil to shield poultry legs
and wings.
- Keep ALL aluminum foil at least 1 inch from
the side walls and door of the oven.
• Wood
- Wood bowls and boards will dry out and may
split or crack when you use them in the
microwave oven.
- Baskets react in the same way.
• Tightly Covered Cookware
- Be sure to leave openings for steam to escape
from covered containers.
- Pierce plastic pouches of vegetables or other
food items before cooking.
- Tightly closed pouches could explode.
• Brown Paper
- Avoid using brown paper bags.
- They absorb too much heat and could burn.
• Flawed or Chipped Cookware
- Any container that is cracked, flawed, or
chipped may break in the oven.
• Metal Twist Ties
- Remove metal twist ties from plastic or paper
bags.
- They become hot and could cause a fire.
Testing Cookware before Use
Most heat resistant and non-metallic cookware is
safe for use in your oven. However, some
cookware may contain materials that are not
suitable for microwave use. Follow the steps below
to find out if cookware can be used in the
microwave.
1
Place the container in question and a glass
measuring cup filled with water next to each
other inside the oven.
2
Heat the container and glass measuring cup
for 1 minute at HIGH power.
• If the water heats up but the container
remains cool to the touch, the container is
microwave-safe.
• If the temperature of the water does not
change but the container becomes warm, it
is not safe for use in the microwave oven.
CAUTION
• Some items with high lead or iron content are
not suitable for microwave cooking.
• Cookware should be checked to ensure that it is
suitable for use in the microwave.
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