The document provides tips for green cooking and reducing carbon emissions while cooking. Some key tips include: - Covering pots and pans to retain heat and reduce cooking time. - Using the minimum heat required and adjusting burner levels based on recipe instructions. - Keeping burners clean to ensure efficient burning of gas. - Defrosting food before cooking to reduce cooking time and emissions. - Avoiding overcooking and using residual heat in cookware to keep food warm.

1. Green Cooking
Tips
環保烹飪技巧

2. Cover your pots and pans whenever possible.
• Heat escapes much more rapidly from open cookware.
Trapping that heat will cut down dramatically on your
cooking time and also prevent the kitchen from
becoming unbearably hot while you’re getting dinner
together.
• Keep in mind that steam is heat, too. If your food has
to let just to reach the right consistency, you probably
used too much water in the first place.
• Covering dishes as they simmer also makes them less
likely to turn out too dry.

3. -10% Carbon emission
-10% 碳排放

5. While cooking, cover Your
Cookware with a Tight-fitting Lid

6. Reduce the heat as much as possible.
Some cooks have a bad habit of turning the burner up
all the way anytime they need to heat something.
Instead, try to only use as much heat as necessary to
reheat or cook your food through. Anything beyond
the minimal required temperature will be a waste.
Water, for example, boils at 100 °C. Once it’s boiling,
leaving the cooktop on full blast won’t make it any
hotter—it will only use up more gas.
When cooking from a recipe, always follow the
instructions to a T. Most recipes specify what level of
heat to use ("low," "medium," "medium-high," "high,"
etc.).

7. Make sure the
pot or pan is
covering the
flames
completely.
• Your energy cost and
carbon emission may
be reduced by up to
10%, as residual heat is
retained for longer.

8. Use cookware
of the
appropriate
size with your
stove, so that
the flame is
completely
covered.

12. Keep your stove’s burners clean to
ensure that they’re working properly.
• An extremely dirty burner may
lead to additional energy cost
and carbon emission of up to 7%
and cooking time is potentially
up to 30% longer.
• A yellow flame is usually a sign
of dirty burner.

13. • When there are yellow
or orange flames, the
natural gas isn’t
completely burning
and could be
contributing to a gas
leak. Gas stoves may
have orange or yellow
flames when they’re
first lit. Only be
concerned if the flame
is consistently orange
or yellow.

14. Check for potential leaks
• Check if the flames on your gas
stove are orange or yellow
instead of blue.Gas stoves
should have blue flames,
meaning that they have enough
oxygen for the gas to completely
combust.

15. -25 % Carbon Emission
• Defrost your food before cooking
it.
• Your energy cost and carbon
emission may reduce by up to
25% and your cooking time will
be shortened by 20%.

17. Put the frozen food
to the refrigerator
unit the day before
you cook it.
•Your energy cost and
carbon emission may
reduce by30%.

18. Avoid overcooking
your food.
• As soon as a dish is finished cooking,
turn off the burner and set it aside to
cool.
• The longer the food is on the stove,
the more gas you’ll use up. Set a
timer and keep an eye on your food
as it cooks so you can kill the heat as
soon as it’s done.
• Transferring your cooked food to a
cooking bag or simply placing a lid on
top is more practical then using the
stove to keep it warm.

19. Invest in High-Quality Cookware.
Materials like copper,
stainless steel, and are
extremely conductive,
which allows them to heat
up faster and distribute
heat more evenly.

20. Similarly, cast iron 鑄鐵 and ceramic 陶瓷 do a great job
of retaining heat longer, meaning you won’t have to leave
the stove on to simmer sauces or keep finished dishes
warm.
Stainless steel and ceramic
cookware tends to be slightly
more expensive, but when you
consider how much money you
stand to save every month, it will
practically pay for itself.
Le Creuset Signature Cast Iron Wok
with Glass Lid

21. The Best Ceramic Cookware Sets of
2022
•Caraway
Ceramic
Cookware
Set

22. Grab a pressure cooker to boil, braise,
or steam food faster.
• Pressure cookers take advantage of
superior conductivity and high
internal temperatures to cook food in
less time.
• That means they’ll save you money
while also freeing up precious
minutes of your day that you can use
to take care of other responsibilities.
• Pressure cookers use 50-75% less
energy on average than conventional
cookware in the same cooking time.
• You can purchase a good pressure
cooker for as little as $30-50 at most
home goods stores.
The Priciest Pressure Cooker in 2022

23. Use thermal cooking bags to keep
cooked food warm. • Thermal bags, also known as
"oven bags," work by insulating
freshly-heated food, thereby
slowing down the cooling process.
• Once the food is ready to come off
the stove, simply remove it from
the burner and seal it inside the
thermal bag. It will stay piping hot
while you see to the rest of the
meal.
• Cooking bag are available in
various sizes and designs for use
with different food items and
cooking methods.
• Cooking bags are not intended to
be used inside cookware directly
on the stovetop.

27. https://video.aliexpress-
media.com/play/u/ae_sg_item/2501089130/p/1/e/6/t/10301/
238845414124.mp4

32. 1. Fill a pot, pan, or wok with a small amount of
water -- how much water depends on the size of
the pot and how high the steamer sits.
• The water level should be low
enough that water won't touch the
food when the steamer's placed in
the pot.
• A good rule is to start with 1/4 - 1/2
an inch of water, or enough water to
reach 1 inch (2.5 cm) below the
bottom of the steamer.

33. 2. Place the steamer into the pot, checking to
make sure the water level meets the above
requirement.

34. 3. Place food in the steamer, making sure the
individual pieces don't touch.(Unless you're steaming
vegetables, of course!)

35. 4. Turn the stove's
heat to "medium"
and bring the water
to a simmer.

36. 5. Put the lid on the pot, and steam for the amount of
time indicated in your recipe (or see the guidelines
below for steaming times).

46. Where does
your food come
from?

47. Where does your food come from?

48. • Food miles: The
distance food items
travel from where
they are grown to
where they are
eaten.

49. Broccoli and Cauliflower
Top producers: China, India, Spain, Mexico, USA, Italy
UK Broccoli mostly comes from Spain or Italy. How far away is that?
800 miles 900 miles
Italy:
Spain:

50. Oranges
Top producers: Brazil, USA, China, India, Mexico, Spain
UK oranges mostly come from Spain. How far away is that? 800 miles

51. UK bananas mostly come from the Caribbean. How far away is that?
Bananas
Top banana producers: India, China, Philippines, Ecuador, Brazil
4600 miles!

52. What goes in to making a Chocolate Bar?
Cocoa
Cocoa
Cocoa Sugar
Sugar
Sugar
Milk
Milk
Milk
Salt
Yeast
Yeast
Yeast
Wheat
Wheat
Wheat
Palm oil
Palm oil
Palm oil
Soya
Soya
Soya
Calcium sulphate
Milk chocolate (66%): Sugar, dried whole milk, cocoa butter, coca mass, lactose, whey proteins, whey powder, vegetable fat, emulsifier (sunflower lecithin), butterfat, natural vanilla flavourings
Total ingredient list: Wheat flour, Sugar, Vegetable fat (Palm oil), Cocoa mass, Yeast, Raising agent (Sodium bicarbonate), Salt, Emulsifier (Soya lecithin), Natural flavourings

53. Cocoa:
Sugar:
Wheat:
West Africa Milk:
Yeast:
Salt:
Where do the ingredients come from?
Palm oil:
Soya:
Calcium Sulphate:
Caribbean
East Anglia
EU
Europe
China
SE Asia
Brazil/Argentina
India

54. Cocoa:
Sugar:
Wheat:
3100 miles Milk:
Yeast:
Salt:
How far have the ingredients travelled?
Palm oil:
Soya:
Calcium Sulphate:
4600 miles
200* miles
500* miles
4700 miles
6500 miles
5600 miles
4700 miles
500* miles
Total food miles: ~30,400

55. What might increase the food miles even
further?
• Processing and packaging are
sometimes done in other
countries… more miles!
• Transport routes: sometimes
transport stops at other
countries on the way

56. Why do we source our food from so
many different countries?
• Many ingredients need to be grown in particular climates
• Soya can only handle a 1.4 degree temperature change so
climate change would affect production
Climate – we can’t
grow them here
• Agriculture needs a lot of land
Space
Expertise
• Countries with a lower cost of living can produce food more
cheaply
Cost of production

62. Shopping for Natural Food

63. Eliminate processed foods from your
diet.
• The first step towards eating
naturally is to stop eating
unnaturally. Stop buying processed
foods from the grocery store and cut
them out of your diet to avoid eating
harmful ingredients.Processed
foods, like frozen meals, boxed
foods, canned goods, etc., often
have high amounts of salt and sugar
that are unhealthy for you when you
eat too much of them.

64. Visit local farmers
and markets to buy
locally produced
natural foods.

65. Community-supported farmers markets are very reliable sellers
when it comes to natural, organic, pesticide-free produce.
• Buying from local growers will not only support your local
economy, but also make it easier for you to get natural food
when it’s fresh
• Check with the individual seller to see if the food is organic, if
it's been ordered from out of state, etc.
• Farmers markets also enable you to buy produce that doesn’t
travel well.

71. Which are the Healthy
Cooking Methods?

73. zucchini

74. First Blanch Then Fry

76. Pompano 黃鱲䱽