So, can mashed potatoes be reheated? Yes, but only if you treat them like royalty. Never disrespect them with high-power microwave abuse. Use the oven, stovetop, or air fryer, always add more fat, and stir with love. If all else fails, eat them cold and call it a culinary rebellion.
Now go forth, rescue that Tupperware, and reclaim your potato dignity. Your ancestors—who mashed by hand without electricity—are cheering for you. Probably. Or they’re just hungry. Either way, you’ve got this.