You can eat them poached, fried, over-easy, hard-boiled, soft-boiled, in a frittata, as part of an omelette, smothered in hollandaise, just the whites, or as part of scramble. But are even the shells of eggs edible?

In this week's Q&A section of the New York Times, they take on that very question (sent in from a perhaps too-unwasteful reader). So, can eggshells be eaten? Sort of.


While simply chowing down on the leftover shells from your morning omelette is probably a very poor idea, the powdered shells of eggs can be a source of calcium. One study from the International Journal of Food Science and Nutrition found that a single eggshell ground into powder contained approximately enough calcium for two adults in a day.

Image: Timothy Titus.

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