My grandmother always puts a nail in the onion: I was surprised when I found out why.

My Grandmother Always Puts a Nail in the Onion – Here’s Why! 🤯

At first, it might sound strange, but sticking a nail into an onion is an old-school trick that actually has some surprising benefits! Your grandmother knew something that most people don’t! Here’s why this hack is worth trying.
1️⃣ Increases Iron Absorption in Food 💪

Onions are naturally acidic, and when you insert an iron nail into them, a chemical reaction occurs. The acidity helps release iron from the nail, enriching the onion and whatever dish you cook with it.

✔ Perfect for people with iron deficiency (anemia)
✔ Natural way to boost iron levels in food
✔ Used in traditional cooking to fortify meals with iron
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