Can Porridge/congee be kept overnight?

Last Updated on April 3, 2022

The answer is NO,. You should not keep your rice porridge or congee overnight. I know, logically there does not seems to be anything wrong with storing cooked porridge overnight in the fridge.

The main reason why porridge or congee should not be kept overnight is because it would cause wind buildup in your body from the traditional Chinese healing perspective.  In fact, I have been told that if you buy a packet of porridge to eat for lunch but could not finish it, you should not keep it for dinner.

Once, I remember a colleague of mine was unwell but still came to work. She bought a packet of porridge for lunch. As she was too busy with work, the packet of porridge laid on her desk until she had finally had time to eat it in the evening. The porridge was already cold. After eating, she complained that her stomach became very uncomfortable.

Keeping overnight or more than that is out of the question.

The very nature of rice porridge or congee is that it very good to soothe a queasy stomach and to be taken when we feel unwell, flu or simply have no appetite. But as the hot porridge starts to cool down, its disposition would change.

I have personally suffered from a wind in my stomach after heating and consuming overnight porridge. Basically the porridge was boiled with quite good ingredients and I felt it was wasteful to throw away. I put in the fridge when I could not finish it. The next day I took it out, heat it up and take- and I suffered the opposite effect. When the day before I felt the porridge soothed my stomach, the next day I felt my stomach going queasy after taking it.

Read the true story of another colleague of mine who suffered painful stomach cramps due to excessive wind build up from consuming overnight porridge

Update in July 2020:

We would boil the porridge (usually plain rice only) in morning and then pour it straight into a thermal flask. We have some people who eat porridge 3 meals a day. The ingredients for the porridge, example fish, salted egg or pork meat are placed separately- this is to avoid the porridge being spoiled (because if you mix the ingredients together, the porridge will get spoiled after lunch.

Inside the flask, the porridge stays warm until lunch.  After lunch, we would pack the ingredients into containers and store them in the fridge.

For dinner, I would take the porridge from the flask, mix with the ingredients (ie fish, meat, etc) and put it to a boil in the pan. Then the porridge would be served hot.

After dinner, any leftovers of the porridge would not be stored but would be disposed of. We do our best to estimate the best volume to cook to minimize wastage. It is not the situation that we would like best as ideally the porridge should be cooked fresh before each meal. But given some constraints that we have, this is how we can best manage.

I know, I know, you are going to say……

You: Hey, if you boil it in the morning and then still eat the same porridge at night, if you count the hours it is as good as overnight.

Me: Yes, you are right. However…. there is a difference. The porridge is kept in a thermal flask and not stored in a fridge. I agree the fridge is there for that purpose. But not all types of food can be stored. For example, I find the same for other types of food/dessert…. fresh soya milk (those bought directly from hawker store), tong shui (Chinese sweet dessert). I have been told by many older ladies that porridge need to be consumed as quick as possible.



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4 thoughts on “Can Porridge/congee be kept overnight?”

  1. Absolutely you can keep it overnight! The author may have had issues with re-heating congee, but in my 30+ years alive of consuming congee I have never had any problems eating it the day after it was made. Nor do I remember any family members having such issues.

  2. That queasy stomach is not because of ‘wind buildup’. You probably ingested some toxins from bacillus cereus bacteria. It sometimes found in rice grains and it’s spores can survive cooking. When your congee is left out at room temperature for too long before refrigeration, the spores can germinate and you’ll have a family of bacillus growing and producing toxin as a byproduct. Since the toxin remains even after reheating, you will get that queasy stomach or even vomiting and diarrhea depending on how much bacillus toxin you ingested from your leftover congee.

    1. Hi Chan,

      Yes it is okay. Because when you cook in a slow cooker, it is slowly cooking and kept hot. The slow cooker was our home’s best friend and my mom used to do that too where she cook porridge and soup under slow volume overnight. I would advice you invest in a thermal pot where the porridge can then be kept warm for many hours after cooking.

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