Hard Boiled Egg Timer
Free hard boiled egg timer. 12 minutes for a fully cooked, firm yolk. Perfect for egg salad, deviled eggs, and meal prep.
🥚 Hard Boiled: Lower eggs into boiling water, click Start, and wait for the chime. Transfer to an ice bath immediately when done. Result: fully firm yolk.
About hard boiled eggs
Hard-boiled eggs cook for 9-12 minutes. Yolk is fully set and dry. The Sunday-meal-prep classic.
Benefits
- ·Fully set yolk holds up to handling
- ·Stores 1 week refrigerated
- ·Classic deviled eggs preparation
- ·Easy peeling with technique (shock + roll)
- ·Most-forgiving timing — extra minute won't ruin it
How it works
Boil water. Lower in eggs. 9 min for just-set yolk, 12 min for thoroughly cooked. Older eggs peel easier (3-5 days old). Ice bath, then crack and roll on counter, then peel under cold water.
Egg-cooking pro tip: avoid over 12 min — yolk develops gray-green ring (iron sulfide compound formed when sulfur in white reacts with iron in yolk). Use older eggs for easier peeling — proteins bind less to shell over time.
Who uses hard boiled eggs
Meal preppers, deviled-egg makers, lunchbox packers, athletes for quick protein.
Hard Boiled Egg Timer
Free hard boiled egg timer. 12 minutes for a fully cooked, firm yolk. Perfect for egg salad, deviled eggs, and meal prep.
Related
Frequently asked questions
What does a hard boiled egg actually look like inside?
A hard-boiled egg has fully set white and fully set, crumbly yolk. The yolk is dry and powdery when broken — ideal for egg salad, deviled eggs, and slicing onto toast. 12 minutes from rolling boil produces this cleanly without the green-gray sulfide ring (over-cooking gives the green ring).
Why does an over-cooked hard-boiled egg get a green ring?
The green-gray ring is iron sulfide forming when overcooked egg-white sulfur reacts with yolk iron. It happens after ~12 minutes of cooking. Harmless but visually unappealing. Prevention: cook exactly to the timer, plunge into ice bath immediately, and use eggs that are 1-2 weeks old (older eggs are slightly less prone).
How do I peel a hard boiled egg without tearing the white?
Ice bath for 2 minutes after cooking. Then crack the shell all over by gently rolling on a hard surface. Peel from the wide end (where the air pocket is) under cold running water. Older eggs (1-2 weeks) peel more easily than fresh ones — the membrane has had time to separate from the shell.
Can I cook hard boiled eggs ahead and reheat?
Hard-boiled eggs keep in the shell in the fridge for up to a week. Don't peel until use — the shell protects from absorbing fridge odors. They reheat fine in warm water, but they're often eaten cold in egg salad, deviled eggs, or sliced onto greens.