Kitchen 101

How to Boil the Perfect Egg (Every Time) + Chef Ian’s Tamago Sando Twist

Learn how to boil eggs perfectly every time with Chef Ian’s simple method — plus turn them into a Japanese-inspired tamago sando using authentic technique and the right ingredients.

Prep time

20 Minutes

Cook time

15 Minutes + Refrigeration

Serves

2 People

Level

Beginner

Introduction

How to Boil the Perfect Egg (Every Time) + Chef Ian’s Tamago Sando Twist

Boiling an egg sounds simple… until it isn’t.

Rubbery whites. Chalky yolks. Shells that won’t peel.

This is where small technique changes everything.

In this Kitchen 101, Chef Ian walks you through a foolproof method for boiling eggs — then shows you how to turn them into something special… a Japanese-inspired tamago sando.

The tamago sando — a simple egg sandwich done exceptionally well.

“Found in every convenience store… and the 7-Eleven version was hard to beat.”

Method

Boiled Egg
1. Prep
  • Remove eggs from fridge 15–20 minutes before cooking
  • This reduces shock and helps even cooking
2. Bring Water to Boil
  • Use plenty of water — eggs must be fully submerged
  • Bring to a rapid boil first
3. Add Eggs
  • Use a slotted spoon to gently lower eggs in
  • Temperature will drop — that’s normal

👉 Chef’s Tip:
Don’t chase the boil again — we’re about control, not chaos.

4. Cook
  • Put a lid on the pot
  • Maintain a gentle boil (not aggressive)
  • 10 minutes = firm yolk
  • 12–13 minutes = large eggs, fully set
  • Less time = softer centre
5. Chill Immediately
  • Drain hot water
  • Run under cold tap for 40–60 seconds
  • Add ice + water and sit for 4–5 minutes

👉 Stops cooking instantly and improves peeling

6. Peel
  • Tap gently, roll, and peel

👉 Chef’s Tip:
If shells stick badly, your eggs are too fresh
(Save fresh eggs for poaching & scrambling)

Tamago Sando (Chef Ian Version)
  1. Chop boiled eggs
  2. Mash some yolks to create a creamy base
  3. Mix through Kewpie mayonnaise until smooth
  4. Fold through chopped whites
  5. Season lightly
  6. Butter bread
  7. Fill generously and close sandwich
Now the key steps (this is where it becomes “tamago sando”)
  1. Remove crusts completely
  2. Wrap tightly in cling wrap
  3. Refrigerate for 20–30 minutes to set
  4. Slice:
  • Traditional → diagonal halves
  • Chef Ian style → 3 neat finger sandwiches

Alternative Method(s)

Simple food… done properly.

That’s the difference.

Master something as basic as a boiled egg - and you’ve already taken a step toward cooking with confidence. Turn it into a Japanese popular sandwich.

This dish proves the point perfectly:

👉 It’s not technique-heavy
👉 It’s detail-heavy

Small things done properly = big difference on the plate

Skill Focus

Slicing Like a Pro
  • Use a sharp knife
  • Wipe blade with a damp cloth between cuts
  • Keeps slices clean and presentation sharp
Common Mistakes (Quick Fixes)
  • Green/black ring on yolk? → Overcooked
  • Rubbery whites? → Boiled too aggressively
  • Shell sticking? → Eggs too fresh or not chilled enough
Tamago Sando (Chef Ian Version)
  • In Japan, crusts are always removed — it’s part of the experience
  • That ultra-soft, clean look is what makes it feel premium
  • Wrapping + resting isn’t optional
    👉 It sets the filling
    👉 Stops the bread drying out
    👉 Gives you those clean, sharp slices
  • The diagonal cut is classic (often how you’ll see it packaged in convenience stores)
  • Finger sandwiches?
    👉 Same flavour
    👉 Slightly different presentation — great for entertaining

Chef Ian's Tips

Steaming is a genuine alternative, and a dedicated egg cooker may help someone who finds handling boiling water difficult.

Steaming

Place the eggs in a steamer basket over simmering water and cover with a lid. Steam until they reach your preferred level of doneness, then transfer them immediately to iced water to stop the cooking.

Steaming can produce a result similar to boiling and may also make the eggs easier to peel. Timing will vary depending on the egg size, starting temperature and steamer.

Electric Egg Cooker

A dedicated egg cooker can be helpful when preparing eggs regularly or for anyone who prefers not to handle a saucepan of boiling water. Follow the appliance instructions carefully, as the amount of water added usually determines whether the eggs are soft, medium or hard cooked.

Chef Ian’s Tip

For predictable results and complete control over the timing, Chef Ian recommends the traditional saucepan method. Never attempt to boil or reheat a whole egg in its shell in the microwave - steam can build inside and cause it to explode.

Plating and Serving

Remove the crusts and cut the tamago sando neatly in half—diagonally for a familiar sandwich presentation or straight through the centre for the traditional Japanese-style look.

Arrange the two halves slightly overlapping or standing with the cut sides facing upwards so the creamy egg filling is visible. Wipe away any filling from the edges and serve on a simple plate or wooden board.

Avoid excessive garnish; the appeal of a tamago sando lies in its soft white bread, generous golden filling and beautifully clean presentation.

Chef Ian’s Tip

Use a sharp serrated or sharp knife and a gentle sawing action so you do not compress the bread or force the filling out. Wipe the blade between cuts for clean, café-style edges.

Make-ahead Option(s)

The tamago sando can be assembled several hours ahead and refrigerated before serving. In fact, a short resting time helps the filling settle into the bread, holds the sandwich together and creates a neater presentation when cut.

Once assembled, wrap the sandwich firmly - but not so tightly that the bread becomes compressed - in reusable food wrap or place it in an airtight container. Refrigerate for at least 30 minutes before trimming the crusts and cutting.

For the freshest bread and best texture, prepare and serve the sandwich on the same day. Keep it refrigerated until shortly before serving, particularly because the filling contains cooked egg and mayonnaise.

Chef Ian’s Tip

Chill the sandwich before cutting rather than trimming and cutting it immediately after assembly. The cold filling becomes more stable and is less likely to squeeze out, giving you clean edges and an even layer of egg in every half. Use a sharp, clean knife and wipe the blade between cuts.

Variations

Other Ways to Use Boiled Eggs
  • Add to leafy, potato, pasta or Caesar salads.
  • Make classic curried egg sandwiches.
  • Prepare devilled eggs for entertaining.
  • Serve with toast for a simple breakfast.
  • Add to ramen, noodle soups or Japanese curry.
  • Use as a filling for wraps and rolls.
  • Crumble over steamed asparagus or green beans.
  • Add to a grazing platter or lunchbox.
  • Make Scotch eggs.
  • Use in a traditional Niçoise salad.
  • Mash with mayonnaise and seasoning for a quick egg spread.
  • Serve halved with a spoonful of mayonnaise, mustard or chilli crisp.

Ingredients

Boiled Egg
  • Eggs (as many as you need)
  • Water (enough to fully cover eggs)
  • Ice
  • Optional (for serving): salt & pepper
Tamago Sando (Chef Ian Version)
  • 5 boiled eggs
  • 50g Kewpie mayonnaise
  • Spice Lab Asian Kitchen Salt & pepper
  • 4–6 slices thick white bread (closest to milk bread)
  • Soft butter