Seasoned Advice Asked by Carl H on February 27, 2021
My wife is in the habit of making ice cream easier to serve up by defrosting it in the microwave for 20 seconds or so to soften it. After serving, the ice cream goes back in the freezer until the next time.
I estimate that a 2 litre tub of ice cream may well be microwaved and then re-frozen 6-8 times.
Is it safe to do this? Is it safer, or less safe, than just letting the ice cream defrost at room temperature for half an hour?
It's perfectly safe to do this, it's not great for the ice cream's consistency to keep warming it and cooling it as you'll start to get big ice crystals. I'd suggest you get a metal ice cream scoop and put it in hot water instead.
If you have to thaw it to use it I'd leave it on the counter for 10 minutes instead of nuking it so you get an even thaw, using the microwave tends to melt one spot and leave another solid.
Correct answer by GdD on February 27, 2021
Many, but not all, ice cream recipes contain raw egg or only partially-cooked egg.
Most commercial ice cream recipes do not.
The health-risks of raw egg depend on where in the world you are, but increase signficantly if the food it is in is being heated high enough that some of it will be at incubation temperature (won't happen for ice cream as a whole unless you end up accidentally melt it all, but could in hot spots). Even in Europe I'd be cautious of doing this repeatedly with raw-egg containing ice-cream, and I'd be very cautious indeed in the US.
With other ice cream recipes I'd just be worried about what it would do to the consistency of the ice cream in terms of how pleasant it felt.
Answered by Jon Hanna on February 27, 2021
Heating ice cream in the microwave, is severely bad for you and others using that particular ice cream. The dairy, and raw egg particles absorb the microwave heat and cause heat spots to form inside of the ice cream. The heat YOU use for the microwave, is also unnatural heat, and can cause pancreatic cancer. I am a scientist that studies heat sources and how they react on such things, and I suggest to NOT heat up Ice cream or any dairy product in the microwave for your own safety. Thank you. ?
Answered by ASF on February 27, 2021
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