11 Facts You Should Know About Hard-Boiled Eggs

11. The green ring around the yolk? It's due to a harmless reaction between sulfur and iron.

10. Eggs that float are older – a handy freshness check before you boil!

9. Peeling under cold water makes the shell come off smoother.

8. Hard-boiled eggs last up to a week in the fridge.

7. One hard-boiled egg packs about 6 grams of high-quality protein.

6. The yolk is high in cholesterol, but it's the 'good' kind, beneficial in moderation.

5. From salads to ramen, hard-boiled eggs are a global culinary staple.

4. The practice of boiling eggs dates back to ancient civilizations.

3. Beyond protein, they're loaded with vitamins D, B6, B12, and minerals like zinc and iron.

2. One large hard-boiled egg contains about 77 calories.

1. Natural dyes can create a rainbow of hard-boiled eggshells – a festive twist!

6 Astonishing Facts About Air Fryer Zucchini Fries