The 4 Foods That Will Absolutely Wreck a Cast-Iron Skillet, According to a Cooking Instructor

The chill is in the air, and your cast-iron skillet is ready for its close-up. While you know these pans are tough enough to last generations, you might be surprised to learn that they have a serious vulnerability. You can throw it in the oven or over a campfire all you want, but the food you put in it can absolutely destroy it.

The real danger isn’t scrubbing; it’s protecting that precious, hard-won seasoning. Certain common ingredients are actually acidic enough to strip away that non-stick patina,…