The Cast Iron Skillet Myth You Need To Stop Believing - Tasting Table
Briefly

Cast iron pans are notorious for unevenly heating food; the material is poor at transferring heat across the surface, making it slow to warm up.
While cast iron isn't great at heating food evenly, its ability to retain heat means your food will stay warm once it's cooked, allowing for better results.
Preheating a cast iron pan for roughly 10 minutes ahead of using it is a recommended practice, ensuring consistent cooking and optimal results.
Choosing the right foods that cook well on high heat can enhance the utility of cast iron pans, capitalizing on their heat retention properties.
Read at Tasting Table
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