Test Kitchen tips: Raw or hard-boiled eggs? Telling the difference

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So how do you tell a raw egg from a hard-boiled one?

It’s simple: Spin the egg. Set an egg on a flat surface and give it a twirl. A hard-boiled egg will spin smoothly; a raw egg won’t. Because the yolk and white aren’t set in a raw egg, motion can cause the center of gravity to shift easily, causing the egg to wobble rather than spin. With a hard-boiled egg, everything is set so the egg spins smoothly.

This can be especially helpful when you’re trying to remember which batch of eggs to pull out of the fridge before decorating them for Easter. (Nothing worse than mistakenly dying raw eggs for an Easter egg hunt -- not that I’m speaking from experience or anything....)

So what are you doing with your leftover hard-boiled eggs after Easter? Do you have a special take on deviled eggs or other recipe ideas? We’d love to know! Drop a comment or email or We’ll be listing some of the ways we cook with hard-boiled eggs in the coming Saturday section and online.

If you have any kitchen tips or questions you’d like me to explore, leave a comment below or email me at



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