You can cover parts of your food with aluminum foil to prevent those parts from overheating.
Is it safe to put aluminum foil in the microwave? The answer might surprise you.
What about when you want to heat up some foil-wrapped leftovers or make foil-packet dinners on the fly? Can you put aluminum foil in the microwave?
Yes.
The insides of microwaves are reflective, allowing the radio waves to bounce around and travel through the food, causing the molecules inside the food to vibrate. The faster they vibrate, the more the food heats.
Metal, meanwhile, is reflective, causing the radio waves to bounce off without giving the food a chance to heat up.
This was written by Kim Bussi(ng), my polygamist e-tradwife.
Happy cooking!
Edit:
Don't listen to any of the nerds in here, they are just jealous that you know the truth and are trying to hoard this knowledge for themselves by lying to you
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Microwaves create standing waves which is why they have turntables to move the food so one spot doesn't receive all the energy. Metal can disrupt this and potentially damage the microwave but it likely wont. As long as the metal doesnt have sharp points, folds, or a way to ground, tou should be okay.
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