Why do green beans catch fire in the microwave




















Dec 22, 2, 0 0. Ok, so I was nuking some greenbeans on a plate to eat for lunch. Obviously I stopped the microwave. I thought maybe there was a piece of metal in one of the beans so I threw them out and put some more on the plate, it kept sparking.

Then I put those beans on another plate thinking it could be the plate, but nope, they still sparked. I disected the beans and could find no metal. I nuked some peas later on that day and they didn't spark. Also I checked outside and there are no top hats or cloned greenbeans in my yard.

JohnCU Banned. Dec 9, 16, 4 0. Brainonska Lifer. Dec 10, 21, 2, According to a preliminary google search, it's because certain vegetables like green beans, carrots, and green peppers have a higher mineral concentration compared with other vegetables and can cause the arcing effect you see in the microwave.

Now to put a carrot in the microwave Edit: Didn't see any sparking with baby carrots, but after 30 seconds, they did explosively split from the middle.

Mar 10, 4, 1 ShotgunSteven Lifer. May 31, 15, 1 0. Oct 10, 68, 3, Product of China? MikeMike Lifer. Feb 6, 45, 66 ScottyB Diamond Member. Jan 28, 6, 1 0. The best way to see this is to break apart a bunch of baby carrots and then place them on a plate with the ends a couple centimeters apart.

Then watch the sparks fly! Sparks aside, other foods—particularly those that are round or have skin—can actually explode in the microwave. It's something past research has shown happens because the inside gets heated first, causing a buildup of steam. When all that pressure needs to escape, it does—with a boom. To make sure you don't cook anything that's not microwave-safe, check out the following list of sparkers and exploders culled from a deep dive of googling, YouTube watching, and unfortunate personal experiences so you won't be left with a scary surprise.

This is the best and safe way to cook vegetables in the microwave. Or, the next time it needs a solid cleaning, find out how lemon water can help get rid of every crusty food stain ever. Your official excuse to add "OOD" ahem, out of doors to your cal. I wonder if there is not something in the bags to keep freshness that has some ore in it. I wish the FDA would test this instead of blowing it off. I am having the same thing happen, but just recently.

Same thing has been happening to me. I thought it was my microwave, as it was a bit old. So, I just got a new, pretty expensive one.

Same thing! They all spark like I put metal in the microwave plus some smoke and burn. We had peas spark, and then today sweet potatoes that were already cooked and I warmed them up and got sparks. They were fresh and never frozen. Both times for me it was from reheating cooked veggies for baby food. This just happened to me with a fresh sweet potato.

I steamed it in the microwave with the skin on and it was ok. Later I cut it up into small chunks and re-heated it in the microwave and the sparks flew. This just happened to me while heating up some green beans.

I did some playing around with it and found that if I have a a few pieces in the microwave not touching each other, then there are no sparks. If I touch two of them together, then the sparks and small flame fly!

I just had it happen with a sweet potato that was baked yesterday, but I cut the leftovers into chunks and heated it today. It leaves little black marks where the sparks came from and you can even smell it! It also happened a few days ago with some frozen green beans that I had already cooked but was reheating. I chop fresh serrano chilis en mass and then freeze them to keep later meal preparation more simple.

Today my chilis burst into flames when I defrosted them in my microwave! I took off the offending chili the off the plate the first time it happened and tried again — same thing happened!

This is really alarming. Vegetables should not contain enough of any ore to cause this sparking. The only thing in my mind that causes this is metal. Yes, you can see the burn-holes in the pieces of carrot and beans! Or simply a microwave antenna which is sending out the wrong kind of waves?

Never had this problem with my old microwave bought 14 years ago, never any problems but the new one is really scaring me. Are microwaves checked by any government body at all before they hit the shelves? I have had the sparking with many frozen veggies and canned green beans. I never have the sparking if they are covered with water. So I guess fresh, frozen or canned it will still happen.

Basically, it has to do with higher mineral contents iron, magnesium, zinc, potassium in certain veggies and other factors related to the microwaving process itself. If you read the ingredients on the side of a frozen veggie bag, nothing is listed but the vegetables no preservatives, etc.



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