How to boil eggs perfectly?
Soft boiled: 6 minutes. Hard boiled: 10–12 minutes. Start in cold water, bring to a boil, then start your timer. Transfer to an ice bath immediately to stop cooking.
Full answer ¶
The cold-start method is most reliable. Place eggs in a single layer in a saucepan, cover with cold water by about an inch, and bring to a full rolling boil over medium-high heat. The moment it boils, start your timer and reduce to a gentle simmer.
For soft boiled with a runny yolk and set white, cook 6 minutes. For jammy yolks (slightly fudgy center), cook 7–8 minutes. For hard boiled with fully set yolk, cook 10–12 minutes. Immediately transfer to a bowl of ice water when done — this stops the cooking and makes peeling much easier.
The greenish ring around a hard-boiled yolk means the egg was overcooked. It's harmless but preventable — just don't leave them in hot water after cooking.
Altitude matters. Water boils at a lower temperature at higher elevations — at 5,000 feet, water boils at about 202°F instead of 212°F. Add 1 minute of cook time for every 1,000 feet above 3,500 feet. At Denver's elevation (5,280 ft), add about 2 extra minutes for hard-boiled eggs.
For storage: hard-boiled eggs in their shells keep in the refrigerator for up to one week. Peeled eggs should be stored submerged in cold water in a sealed container and used within 5 days, changing the water daily.
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Key facts ¶
| Soft boiled | 6 min — runny yolk, set white |
| Jammy | 7–8 min — fudgy center |
| Hard boiled | 10–12 min — fully set yolk |
| Ice bath | Stop cooking + makes peeling easier |
| Green ring | Overcooked — harmless but avoidable |
Common mistake ¶
Most people assume boiling eggs longer makes them easier to peel. The opposite is true — fresher eggs are harder to peel regardless of cook time, and overboiling makes the white rubbery. Buy eggs a week ahead if you plan to hard-boil them, and always use the ice bath.
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