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The Science behind Rice Cookers: Temperature is the Key

CarlosGrayJun 26, 2019, 9:36:52 AM
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Have you ever been curious how Rice Cookers “know” when to stop cooking and how you never end up with burnt or undercooked rice? If you have tried cooking rice manually from a stove top before you will know that cooking rice is not as easy as it looks. You have to keep a close eye on it because it easily burns at the bottom and even a small amount of burnt rice can ruin the taste for the rest of the content. Sometimes you place in too much water that you end up with a gooey paste. And sometimes you place less water and end up with hard rice. Some people never realize how much a simple appliance such as a rice cooker has made things a lot easier for us in the kitchen.



History of rice cookers

Rice is a staple in Southeast Asia so it is no surprise that the first electric rice cooker came from Japan in 1955. The rice steamer was made by Toshiba. Other companies were able to join the market and add their own innovations until we reach the rice cooker of today with all its new features and expanded abilities.

Stages of cooking rice

1. The rice sits in the water.

2. The water boils.

3. The rice then absorbs the water.

4. And then the rice rests.

A rice cooker is able to do all four stages by itself so you do not have to monitor it. All you have to do is just press a button and the rice will cook and keep it warm for you until you unplug the appliance. The secret tool is a thermal-sensing device that gives just the right amount of temperature to cook rice perfectly.

How a rice cooker operates

The rice cooker has its own cooking pan where you put the water and rice in (2:1 ratio). The pan is then placed inside the rice cooker’s shell. The pan’s weight activates the thermal-sensing device which makes the heating plate bring the water to a boil. The thermal sensing device is just a tiny spring-loaded thermometer that guides the temperature based on the contents of the pan. You can find the thermometer at the bottom of the rice cooker’s body. When the rice cooker switches from cooking to heating, the heat is transferred from the heating plate to the cooking pan. The rice cooker knows that it is time to switch to warming when the rice absorbs all the water in the pan and the temperature starts to increase. By this time, the rice is in its resting stage and is perfectly cooked. The Crazy Baker is your go-to website for more information on rice cooker.


With the help of a rice cooker, a lot of people are now able to multitask in the kitchen instead of having to keep an eye on the pot of rice all the time. Now you can concentrate on cooking your delicious viands with no problems at all.