i recently learned you’re not supposed to run a microwave with nothing in it/it can fry itself broken.
but i want to heat up a plate to help keep the pancakes i put on it warm like they do in diners. putting just a plate in my microwave causes it to start freaking out 'cause i guess there’s not enough stuff in there to absorb the energy(? this is what google tells me).
are the diners just putting the plates on a burner on low? that feels wrong.
Assuming the plates are ceramic, there should be zero issue. Same with glass.
I wouldn’t put plastic, melamine, or paper in the oven simply due to the possible disastrous fallout were the temperature somehow set too high by accident.