Rice and 4 Other Common Foods You Should Not Microwave

  • A microwave is a common appliance in homes with many Kenyans using it to reheat and in some cases to cook food.

    Kenyans.co.ke spoke to nutrition experts to know the safety of using a microwave in heating food.

    Speaking exclusively to Kenyans.co.ke, nutritionists Francis Kitela and Gladys Mugambi explained that a microwave is a good appliance if used properly.

    Food being heated using a microwave

    Food being heated using a microwave

    Food Hacks

    “There are no main dangers involved in using a microwave as long as you adhere to the appliance’s instructions,” Kitela explained.

    Mugambi concurred with Kitela by revealing that microwave is safe when you adhere to the required heat level and time.

    “Foods like vegetables should ideally be fried but if it is a must you reheat them, make sure you heat lightly,” Mugambi advised.

    Kenyans.co.ke further compiled a list of five common foods that Kenyans should avoid reheating using a microwave.

    Whole Eggs

    While it is allowed to reheat fried eggs, it is not advisable to heat boiled whole eggs in a microwave.

    This is because the eggs can explode and not necessarily inside the microwave. They can also explode when you have served them on your plate.

    Processed Meat

    Mugambi dissuades Kenyans from developing the habit of heating meat using a microwave.

    “Any food that is microwaved for too long, including meat is denatured and becomes unhealthy to consume,” she warns.

    Catalina Gonella a healthy living expert further reveals why in particular you should not microwave processed meat.

    Processed meat can contribute to the production of cholesterol oxidation products, which can be more harmful to arterial cells than pure cholesterol and are more directly connected to heart disease,” she explains.


    While hard-boiled whole eggs can explode when microwaved, pepper can actually burst into flames.

    Gonella further warns capsaicin, the chemical that makes hot peppers, is released during microwaving.

    The capsaicin will be released into the air, causing your eyes to sting and your throat to burn.

    Breast milk

    It is advisable not to heat a baby’s milk using a microwave as it heats the milk unevenly resulting in ‘hotspots’ that scald a baby’s mouth and throat.


    Kitela warns Kenyans to be keen when warming cold rice using a microwave.

    “There is a danger of getting sick if you do not heat rice properly. This is because uneven heating of rice that has the bacteria Bacillus Cereus will cause food poisoning,” he explains.

    “The microwave itself is not to blame when it comes to food poisoning but it is how you use the appliance. Make sure you heat evenly and to the right temperature to make sure that all bacteria are killed,” he adds.

    An image of a plate of food served in a restaurant.jpg

    An image of a plate of food served in a restaurant.


Jay Ndungu

Jay is a computer scientist and journalist with a passion for the intersection of technology and society. He has a background in computer science, developing a deep understanding of the technical aspects of the industry, including programming languages and software development methodologies. Currently, He writes for Nairobi Times, covering a wide range of topics including technology, politics, sports, and entertainment. With his unique combination of technical knowledge and journalistic experience, Jay brings a unique perspective to the stories he covers, able to explain complex technical concepts in an easy-to-understand manner. His work is dedicated to bridge the gap between technology and society, and to make people more aware of the potential of technology to make the world a better place.

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