Kitchen Tips

Steam Power

Steam Powered Food

Steaming food is a very, very old method of cooking; the Chinese alone have been doing it since ancient times. But despite it being used by humans for generations, only recently have we truly begun to understand the health benefits it provides. Perhaps it’s because our lives have become more sedentary, or maybe it’s the continued developments made in food science. Whatever the reason, it’s clear now it’s an incredibly healthy method of cooking.

There are the obvious advantages we can all recognise – no cooking with oils or animal fats, less mess, a silky texture – but it’s what happens to the food on a micro level that makes it truly unique, especially when vegetables are involved.

Most cooking methods – such as baking, boiling and microwaving – break down vegetable tissue, which leads to antioxidants being destroyed. Antioxidants are compounds that fend off cancer, cardiovascular disease, diabetes, osteoporosis and neurodegenerative diseases. Boiling can be even more damaging, with some disease-fighting compounds dissolving in the hot water.
Though all vegetables vary in how they react to each cooking method, a number of studies have discovered that steaming not only preserves many precious nutrients, in some cases, it can increase them.


Researchers in Brazil analysed 21 studies that looked at how different cooking methods affected levels of antioxidants in vegetables. They found that Polyphenols – a type of antioxidant – could be reduced by up to 38% when food is boiled. Steaming increased polyphenol content by 52%.

Zheizhing University conducted tests[1] on the nutritional value of broccoli after it had been subjected to a variety of cooking methods, and steaming again came out on top. Even when checking the levels of carotenoids, another cancer-fighting enzyme, steaming couldn’t be beaten.

Another study[2], this one performed by the US Department of Agriculture, showed steaming only reduced food based folic acid and Vitamin-C by 15%, while maintaining at least 42% of glucosinolates when compared to other methods of cooking.

[1] Effects of different cooking methods on health-promoting compounds of broccoli*
[2] USDA Table of Nutrient Retention Factors –

So why is steaming superior to other methods of cooking?

Elizabeth H. Jeffrey, Ph.D., a professor of nutritional sciences at University of Illinois at Urbana-Champaign, says steaming maintains such high nutrient levels thanks to a gentler heating process and because vegetables aren’t submerged in water or oil. “The gentle heat actually releases some polyphenols from bonds that would have prevented your body from being able to digest them if you had eaten the vegetables raw”, adds Jeffrey.

Steaming has always been a delicious way to prepare food, but now there’s indisputable proof it’s better for you. Really smart people from a variety of countries have proven it! So, next time you’re starting a detox, diet or health kick, or simply want to eat some fresh tasting food, grab your bamboo steamer and just add water!


Some things to remember:

Here are a few things to remember next time you’re steaming food to ensure you get the best possible result.

  • Make sure the temperature is right – The steam needs to be hot (obviously, it needs to be steam!), but you don’t want to stress the food, so don’t overdo it. Likewise, don’t lower the temperature so much that the food doesn’t cook through.
  • Make sure the time is right – Get your cooking time correct! Don’t overcook or undercook your feast.
  • No peeking! – Don’t lift the lid until your food is ready – you’ll let all the steam out!
  • Do it right – If you’re using an auto-steamer, make sure your water levels are adequate and check your timer and heat settings. If you’re using the stove top or traditional bamboo steamers, make sure your heat levels are right, the steam is sealed in your steamer and your water levels are high enough (but not too high!) to last for the duration of the cook.
  • Experiment! – Try different combinations of flavours, techniques and cooking styles to discover some amazing meals that are good for you too.If you’re looking to get started on your steam-powered journey, we’ve got some great recipes to try! Let us know how you go.

Thai Steamed Fish with Chilli and Lime

thai steamed fish with chilli and lime

Chinese Steamed Rice Flour Cake




Mandu Dumplings


Chinese Steamed Fish



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