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Section: Questions   Category: Halacha
Halacha - Non-kosher microwave oven
Submitted by Eli  Answered by Rav Peretz Moncharsh
Question:
Answer: Technically speaking double wrapping you food would work, but it is often not a practical solution. A microwave heats the water molecules and causes more steam than a conventional oven. This rising steam causes pressure that is likely to rupture the seal and force or melt open the wrapping, which would render your lunch forbidden. Therefore I would not recommend its use.
posted:2008-08-11 14:37:50


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Visitor Comments: 2

Rabbi Peretz Moncharsh, 2008-08-27 03:19:07
The issue in this case is not the temperature of the food itself but of the steam. Because of the uneven way that microwaves heat, it is conceivable that enough hot steam would rise from the food to force open the wrapping even while the food overall is not yad soledes bo. If no steam escapes from the wrapping then the food is still Kosher, but it is taking a risk.
Anonymous, 2008-08-27 02:28:05
regarding double wrapping in the nonkosher microwave, what if you don't make the food hot, but just slightly warm just enough to take the chill out of it.
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