[Avodah] Kashrus - Microwave Ovens

[Rabbi Meir G. Rabi via Avodah]

Steam is the great enemy of efficient microwave cooking.
Therefore all microwave ovens have fans to effectively vent all the steam
from the microwave cavity.
Proof - during cooking the door/window does not become fogged. Switch off
the oven, wait for 10 seconds then open the door, it will be covered in
condensation.

Here is another test - boil a large jug of water in the microwave for a
long time, lets say 15 minutes, [ensure there is enough water to last for
the duration] then open the door, reach inside and feel the walls of the
oven. They will not be warm but cool.

The tray/turntable may be warm/hot - that's from the heat of the hot water
being conducted to it.

So even if the steam is dairy or meaty, it hardly gets to the walls of the
microwave and what may get there is well less that YSoledes.

Best,

Meir G. Rabi
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