Reheat Regrets — Why These 5 Common Foods Should Never Touch Your Microwave Again - Page 2
2. Grapes (especially whole or halved but joined)
Microwaving grapes is a recipe for plasma—or mini lightning storms—inside your microwave, according to EatingWell. When microwaved, grapes generate electric fields that ionize gas around them, forming glowing plasma that can damage the appliance or pose a fire hazard.
“This specifically happens when grapes are halved, but still attached by their skin,” explained Gabrielle McGrath, M.S., RD, LDN. “Plasma is created, which looks like a mini flame. Scientists figured out why this is the case, and it all revolves around the fact that microwaves don’t evenly cook foods.”
Ditch the microwave and stick to snacking on grapes that come directly out of the refrigerator, or you can freeze them to create a cool, icy treat to beat the heat for the summer.
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