🍜 Japanese ramen eggs

At elevation, ramen eggs (ajitsuke tamago) fail in the pot, not in the soy. Water boils cooler, so a sea-level “6 or 7 minutes” leaves a soft yolk that soaks up marinade and still runs. Time the boil with the boiling eggs at altitude calculator set to jammy, then marinate. Altitude is the first decision, before the soak.

This is the recipe the recipes index has always listed. It is not a full ramen cookbook — just the egg that goes on the bowl.

Boil for jammy, not for the marinade

Use the jammy method with your real altitude. Fridge-cold large eggs in already-boiling water are the usual case; extra-large eggs and a crowded pot need the extra time the calculator already adds. Hot-water start keeps the clock honest.

Immediately put cooked eggs in a large mixing bowl of ice water to make them easy to peel. A few minutes in that ice bath also stops them from cooking further in the shell, which matters more after the extra time altitude already added.

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When the timer ends, move the eggs to ice water right away. Peel once they are cold, before the marinade.

Marinade

The soak is salty-sweet and a little sharp. It seasons the white more than the yolk. Cool the marinade before it touches the eggs so you do not keep cooking them.

Ingredients

• Eggs (large, or match the carton on the calculator)
• 1½ cups water
• ⅓ cup soy sauce
• ¼ cup rice vinegar
• 1 tsp red pepper flakes
• 2 Tbsp sugar

Steps

1. Boil eggs to jammy doneness with the altitude calculator, then ice-bath and peel.
2. Combine water, soy sauce, rice vinegar, red pepper flakes, and sugar in a small saucepan with a lid .
3. Heat over medium, stirring until sugar dissolves. Remove from heat and let cool.
4. Place peeled eggs in a zip-lock bag or container and pour marinade over them.
5. Refrigerate for at least 4 hours, or overnight for best flavor.

Flip the bag once if the eggs are stacked. Overnight is better than four hours. They keep a few days in the fridge in the marinade; the whites get saltier the longer they sit.

If it failed at your elevation

Still runny after the soak: the boil was short for your elevation, not the marinade. Soy seasons the white. It does not set a yolk. Go back to the jammy method and the boiling eggs at altitude calculator with doneness on jammy. Detect altitude and match egg size before you add “another minute” by habit.

Fully set: you cooked past jammy. Use hard-boiled for deviled eggs or egg salad instead of forcing a ramen egg.