Kitchen Guide

Jammy or Hard: The Egg Cooking Guide

Soft6 min
Jammy7 min
Medium9 min
Hard12 min
Fridge life1 week
Room temp limit2 hrs
Yolk by the minute
Soft6 min Jammy7 min Medium9 min Hard12 min

I boil a dozen eggs most Sundays: six for snacking straight out of the shell and six for egg salad, and the only thing that changes between the two batches is how long they sit in the water. Here's the exact minute for every doneness, and why some eggs peel clean while others fight you the whole way.

01 · Pick your yolk

Time in the pot, by doneness

These times start once the eggs go into water that's already at a full boil, and end the second they hit an ice bath. Large eggs, straight from the fridge. Add or subtract a little for extra-large or jumbo.

Soft
Runny yolk, barely-set white
6 min
Best for: Dipping toast, eating straight out of an egg cup. The white is just set at the edges and the yolk is fully liquid.
Jammy
Thick, glossy yolk, fully set white
7 min
Best for: Ramen, avocado toast, grain bowls. This is the one I make most, it holds together when you slice it in half.
Medium
Fudgy, deep amber center
9 min
Best for: A creamy but sliceable yolk that still has some color. Good middle ground if the family wants different things.
Hard
Fully set, pale yellow, no gray ring
12 min
Best for: Deviled eggs, egg salad, meal prep. Pull them right at 12 minutes and you avoid the chalky, gray-ringed yolk that comes from going too long.
Storage: Hard boiled eggs keep about a week in the fridge, shell on or off. Don't leave eggs sitting at room temperature longer than 2 hours, or 1 hour if it's above 90 degrees.
02 · Get it right every time

Three things that shift the timing

The times above are built for one specific setup. Change any of these three things and you need to adjust for it.

Baseline

Straight from the fridge

The chart above assumes cold eggs going directly into already-boiling water. This is the setup to compare everything else against.

-30 sec

Room temp eggs

Let eggs sit out for 20 minutes first and shave about 30 seconds off any of the times above.

+1-2 min

High altitude

Water boils at a lower temperature above roughly 3,000 feet, so add a minute or two to compensate.

1
Boil the water
Get it to a full rolling boil first.
2
Lower eggs in
Use a spoon so shells don't crack.
3
Time it
Set a timer, don't estimate.
4
Ice bath
Stops the cooking immediately.
03 · Easier peeling

Why some eggs peel clean and others fight you

It's mostly about the egg's age, not your technique. Fresher eggs cling to the shell. Eggs that have sat in the fridge a week or so let go easily.

Fresh eggs

Low acidity keeps the membrane bonded tightly to the shell. Expect some torn whites no matter how careful you are.

Getting there

The egg releases carbon dioxide through the shell over time, which loosens the membrane's grip a little more each day.

Ideal for peeling

By one to two weeks old, the membrane separates easily and shells come off in large, clean pieces.

If you're buying eggs specifically to hard boil, grab them a week ahead of time instead of the freshest carton on the shelf. It makes a real difference at the sink.
04 · Better results

Five common egg mistakes

×
Boiling hard the whole time
A hard rolling boil cracks shells and toughens the whites. Once the eggs go in, a gentle boil is enough.
×
Skipping the ice bath
Cooling stops carryover cooking. Skip it and a jammy egg turns medium by the time you peel it.
×
Peeling right away
Give eggs a full 10 to 14 minutes in the ice water before peeling. Warm eggs are much harder to peel cleanly.
×
Crowding the pot
Eggs that aren't fully submerged or can't circulate cook unevenly.
×
Guessing instead of timing
Every extra minute changes the yolk. A timer is the only thing that gets you the same egg twice.
One more thing

Keep this one handy

This is the chart I actually have taped inside my kitchen cabinet. Print your own copy and skip the guessing next time eggs are on the stove.

Storage guidance (1 week refrigerated, 2-hour room temperature limit, 1 hour above 90 degrees) follows current U.S. government guidance from FoodSafety.gov. Cooking times are practical ranges that vary by egg size, starting temperature and stovetop, not a regulated figure.