How to make soft boiled eggs

Lower large eggs from the fridge into already-boiling water and cook for 6 minutes, then chill for one minute in ice water. The white sets firmly; the yolk stays liquid. Five minutes gives a looser white and a fully liquid yolk for dipping; 6:45 turns the yolk jammy.

The 6-minute method

Soft boiled eggs are less forgiving than hard boiled ones, and the reason is arithmetic: the entire window between “raw and slippery” and “not runny any more” is about two minutes wide. Thirty seconds is visible in the yolk. So the method is the same as any boiled egg, but the precision matters more — which is the whole argument for a timer over a guess.

This page goes deep on soft boiled specifically. For the general method behind every doneness, see how to boil eggs.

Step 1 — Rolling boil, no shortcuts

Enough water to cover the eggs by an inch, at a full rolling boil. This matters more here than anywhere else on the site: a simmer runs several degrees cooler, and at six minutes a few degrees is the difference between a runny yolk and a set one. Big constant bubbles, or wait longer.

Step 2 — Eggs in on a spoon, timer immediately

Lower each egg gently; a cracked soft boiled egg leaks white and is essentially unrecoverable. Start the timer as the last egg goes in.

Step 3 — Six minutes, adjusted for your egg

Size moves this by roughly 30 seconds a step: 5:00 small, 5:30 medium, 6:00 large, 6:30 extra large, 7:00 jumbo. Room-temperature eggs need about a minute less. Above 3,000 feet, add a minute — the altitude guide explains why boiling water gets cooler as you climb.

Step 4 — One minute in ice water

Shorter than for hard boiled eggs, but not skippable. A hot egg carries on cooking in its own shell, and across a two-minute doneness window that carryover is the difference between what you wanted and what you get. One minute stops the cooking and firms the white just enough to handle.

Step 5 — Serve in the shell, or peel carefully

The simplest route: stand it in an egg cup, slice the top off with a knife, and eat it with a spoon. If you need it peeled — for ramen, a salad, or toast — see the technique below.

Soft boiled egg times

Two of those have their own pre-set timers: jammy at 6:45 and medium at 8:00. Every doneness and size sits in the timing chart.

How to peel a soft boiled egg

A soft boiled egg has very little structural integrity, so the usual advice needs adjusting:

1. Chill it properly first. A full minute in ice water. A warm soft boiled egg will collapse in your hand — this step is doing structural work, not just temperature work.
2. Tap, don’t crush. Crack the shell all over with the back of a spoon until it’s a fine mosaic.
3. Use the spoon trick. Crack the wide end, slide a teaspoon between the membrane and the white, and rotate the egg around the spoon. The spoon’s curve matches the egg’s, and the whole shell lifts away in one piece.
4. Work under cool running water. It floats shell fragments off instead of dragging them across the surface.

Anything under six minutes, don’t bother peeling — the white won’t hold. Serve it in the shell. Full peeling technique for firmer eggs is in the peeling guide.

Why soft boiled eggs go wrong

Watery, undercooked white

The classic failure, and it has three usual causes: an extra-large or jumbo egg cooked on large-egg timing, water at a simmer instead of a rolling boil, or a cold-water start without adjusting the count. The simmer is the sneaky one — it looks close enough and isn’t.

Yolk set when you wanted it runny

Almost always a missing ice bath. An egg pulled at six minutes and left on the counter keeps cooking; by the time you’ve found the salt, it’s a 6:45 egg. The other candidate is a small egg cooked on large-egg timing.

Shell tore the white away

Freshness. Very fresh eggs bond hard to their shell membrane and soft boiled whites are too delicate to survive the fight. Either use eggs that have been in the fridge a week or more, serve them in the shell, or steam them instead — steam gets under the membrane far more effectively than water.

Soft boiled, half boiled, and jammy — the differences

Three names that get used interchangeably and shouldn’t be. If you want the full picture of what happens minute by minute inside the shell, see doneness and yolk texture.

• Soft boiled (6:00) — white fully set and sliceable, yolk runny. The general-purpose soft egg.
• Half boiled (5:00) — white barely set and almost pourable, yolk fully liquid. The Singaporean and Malaysian kopitiam breakfast egg, cracked into a saucer with dark soy sauce and white pepper. It has its own half boiled egg timer.
• Jammy (6:45) — yolk set at the rim, custardy in the centre, holds its shape when halved. The ramen egg, and the base for marinated ajitama. Jammy egg timer.

A note on runny yolks and food safety

A soft boiled egg’s white and yolk don’t reach the temperature that eliminates salmonella, so a small risk remains — the same reason egg food safety is worth reading once. For most healthy adults that risk is very low, particularly with refrigerated commercially graded eggs. It matters more for people who are pregnant, very young, elderly, or immunocompromised — for them, pasteurised eggs or a fully cooked egg is the safer call. We’d rather say this plainly than pretend the question doesn’t exist.