How to Boil an Egg in the Microwave 36

soft-boiled egg with mi goreng

(soft-boiled egg with mi goreng)

I know this sounds really simple but humour me for a second. I still get people telling me ‘omg! you cannot possibly put foil and egg in the microwave!’

There are only about 3-4 things I make in the microwave (in fact I only make boiled egg in the microwave when there is only one egg or two eggs involved – anymore than that I use the stove), otherwise the poor thing just sits there as a defrosting machine.


Everyone knows that putting a whole egg into a microwave is a bad idea. I, of course, tried it. Simply because it’s harmless explosion fun* (I mean let’s face it, how often do you get harmless explosion fun! Very messy though).

The idea behind boiling an egg in the microwave is that the foil covers the egg. The foil acts as protective layer which the microwave frequency does not penetrate. So when you put in a foil-wrapped egg in a cup of water, the microwave will heat up the water and not the egg itself. Hence, it takes more or less the same time to boil an egg in a microwave compared to boiling it on the stove top. The main difference is the water heats up a little faster and there’s less washing up to do.

egg covered in aluminium foil

So cover your egg individually and completely with aluminium foil. Do not leave any part of the egg shell exposed.  Try to make the foil as smooth as possible. Cover it with water in a microwave-safe mug.

egg in microwave

Put the mug in the microwave on high. 8-10 minutes for hard-boiled, 6-7 minutes for medium and about 5 for soft-boiled egg.


(and we are done)

perfectly cooked eggs

(perfectly cooked egg)

Important: you must watch out that the egg always remains covered with water. There’s a possibility that there water will slosh out of the mug leaving no water. You might need to either turn the heat down or keep topping up the water. It depends on much water is in there and what container do you use. Microwave rice cooker is fabulous. Mugs are sometimes not so great.

* Do not try this at home. Because if you don’t know what you’re doing, it wouldn’t be harmless explosion fun. Although I still strongly recommend browsing through YouTube for all microwave-related fun. Watch. Don’t repeat.

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36 thoughts on “How to Boil an Egg in the Microwave

  • cricket

    some people…anyway…this is fascinating!! i’ll have to get brave enough to try it, but the idea has tons of merit. 🙂 (loving wandering through your blog!)

    • spatulaspoonandsaturday

      i have to admit it took me quite a while to actually try it after reading about it a few years back. but what reassured me was that my mum’s microwave manual has some recipes that involves using foil to protect part of the food that you don’t want cooked by the microwave so i thought i might give it a go. and it worked.

      thanks for visiting 🙂

  • Marcia

    Wanted to try boiling the egg that way, but got real scared. Not very brave at all. I have seen someone place food in the microwave at work with foil covering it, and the microwave exploded and the kitchen was badly burnt. Firemen had to put out the fire. Although that happened about 15 years ago, I have never forgotten it.

    • spatulaspoonandsaturday

      dunno. maybe old microwave? i was just reading the office’s microwave’s manual today and they recommend using foil for a few things.

  • AllieG

    Just tried it with HUGE success!! I knew that if you put foil in the microwave UNDER WATER then it is ok – so wasn’t scared to try it! Had THE MOST PERFECT egg!! I hate cooking boiled eggs so this has really changed my LIFE!! Seriously!! Any tips on cooking 2 together? same times? longer?? (mine is a newer (but cheap) microwave and even when the foil was fully submerged no sparks!!)

  • Amy

    Thanks for the tip but for health reasons, it’s good to keep in mind that cooking with aluminum is inviting alzheimer’s into your door.

  • Oji
    “There is circumstantial evidence linking this metal with Alzheimer’s disease, but no causal relationship has yet been proved. As evidence for other causes continues to grow, a possible link with aluminium seems increasingly unlikely.”

    Also, Aluminum is pretty much insoluble (because it is prtected by a layer of oxide). Furthermore, the egg is surrounded by a shell; designed to protect it from environmental contamination.

    So, over all, I think your concern is unwarranted.

  • Richard

    Genius! And you need not worry about sparks, since the foil is surrounded by water, which cannot critically ionize at the temperatures created by an average microwave.

  • Jen

    Amazing, two kids enjoying their boiled eggs right now. But the most nail biting 8 minutes. Phew – it worked, success!!!

  • beebop

    You should have mentioned whether the water should be pre-boiled or not prior to adding the egg.

    Just had to reboil some water and put my opened under-done egg back in the foil which is a bit messy.

    Good method but needs refining.

  • terry

    bring water to a boil in microwave oven .remove container, put egg in the container and let it sit for
    five min. perfect boiled egg and not hard boiled

  • ksinc

    Just tried to do this using a coffee mug. But the bouyancy of the egg (even when it was wrapped in foil) continued to float to the top of my mug full of water which meant foil was exposed. Unless I weighed it down with something, it continues to float to the top. How did anyone avoid this?

  • Alecia

    I put foil covered items in the microwave frequently. So I was brave enough to try this and it worked. When putting foil covered food in the microwave you have to put it in a paper bag and only use the bag once.

  • Senic

    THANK YOU! I hate boiling eggs on the stove (i’m lazy and don’t want to stand there for 10-15 mins) and was very skeptical about trying your method but it WORKED! Oh my god, did it work! After 9 intense minutes the microwave produced a hard boiled egg!

    I recommend microwaving the egg for the minimum amount of time needed to make the whites hard then letting it sit in the hot water to continue cooking for a couple minutes to make the yolks firm.

    Great article!

  • Bonnie

    Eggs was completely raw after microwaving. So much for breakfast. I guess he (husband, at work) could still scramble it, if he wants.

  • Adrian

    Just tried this. I used boiling water from the kettle to start the process, medium size egg, microwave at 60%, 5 mins. Left for one minute and ran under cold water. This resulted in a perfect soft boiled egg which was a great mid-morning snack at work!

  • Gene

    I have used this method many times. I wrap 2 eggs individually in foil. I use a 4 cup measuring cup filling it to the 3 cup level. I then microwave on high for 10 minutes. When the microwave ends I leave the eggs in the water for about an hour. I get what I consider perfect hard boiled eggs.