Why My Grandmother Always Puts a Nail in the Onion – A Surprising Old Trick! (Page 2 ) | May 17, 2025
3. Enhances Onion’s Antibacterial Properties 🦠
✅ Onions are natural disinfectants, and iron may enhance their antimicrobial effects
✅ Used in some folk remedies to treat infections & purify water
✅ A common trick in natural medicine practices
💡 Some believe that placing an iron nail in an onion overnight increases its medicinal benefits!
4. A Traditional Cooking & Pickling Trick 🥒
✅ Used in old-fashioned pickling recipes to deepen color & flavor
✅ Iron reacts with natural acids, making onions and pickles crispier & more vibrant
✅ Helps preserve onions longer in homemade vinegar brines
💡 Try adding a rusty nail to your next batch of homemade pickles for a color-enhancing effect!
How to Try This Trick Yourself! 🧅🔩
