Egg Mayo Sandwich

Egg Mayo Sandwich is a easy Japanese recipe that serves 3. 600 calories per serving.

Prep: 15 min | Cook: 12 min | Total: 37 min

Cost: $2.19 total, $0.73 per serving

Ingredients

  • 6 Eggs (large, hard‑boiled, peeled, yolks and whites separated)
  • 4 cups Water (enough to fully cover the eggs while boiling)
  • 1 tablespoon White Vinegar (helps the shells peel easily)
  • 2.5 tablespoons Mayonnaise (room temperature, smooth)
  • 0.5 teaspoon Salt (fine sea salt)
  • 1 tablespoon Granulated Sugar (adds a subtle sweetness)
  • to taste Black Pepper (freshly ground)
  • 6 slices White Sandwich Bread (soft, preferably without crusts)

Instructions

  1. Boil the Eggs

    Place the 6 eggs in a medium saucepan, add enough water to cover them by 1‑2 inches, and stir in 1 tablespoon of white vinegar.

    Time: PT5M

  2. Cook the Eggs

    Bring the water to a rolling boil over high heat, then reduce to medium and simmer for exactly 12 minutes.

    Time: PT12M

    Temperature: Medium

  3. Ice‑Bath Cool

    Immediately transfer the eggs to a bowl of ice‑cold water and let them sit for 5 minutes.

    Time: PT5M

  4. Peel and Separate

    Gently tap each egg to crack the shell, peel it, then separate the yolks from the whites. Set yolks and whites in separate bowls.

    Time: PT3M

  5. Strain the Yolks

    Pass the yolks through a fine mesh sieve into a clean bowl, using the back of a spoon to push any stuck yolk through.

    Time: PT2M

  6. Strain the Whites

    Similarly, strain the egg whites through a fine mesh sieve into another bowl. If the whites are still a bit chunky, mash them lightly with a fork to achieve a smooth consistency.

    Time: PT2M

  7. Combine Egg Mixture with Mayo

    In a mixing bowl, combine the strained yolks, strained whites, 2‑3 tablespoons mayonnaise, ½ teaspoon salt, 1 tablespoon sugar, and a pinch of black pepper. Mix until the mixture is completely smooth and glossy.

    Time: PT4M

  8. Prepare the Bread

    Lay out 6 slices of soft white bread. Spread a thin, even layer of mayonnaise on one side of each slice – this prevents the bread from getting soggy and adds extra richness.

    Time: PT2M

  9. Assemble the Sandwiches

    Spread the egg‑mayo mixture evenly over the mayo‑coated side of three bread slices. Top each with another slice, mayo side down, to form three sandwiches.

    Time: PT2M

  10. Trim and Cut

    Trim the crusts if desired, then cut each sandwich into triangles or squares for easy handling.

    Time: PT2M

  11. Serve

    Arrange the sandwich pieces on a plate and enjoy while still slightly warm for the ultimate soft‑and‑fluffy experience.

    Time: PT0M

Nutrition Facts

Calories
600
Protein
18 g
Carbohydrates
42 g
Fat
37 g
Fiber
2 g

Dietary info: Vegetarian, Contains gluten

Allergens: Eggs, Wheat, Soy (mayonnaise)

Last updated: April 11, 2026

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Egg Mayo Sandwich

A fluffy, melt‑in‑your‑mouth Japanese‑style egg mayo sandwich. Hard‑boiled eggs are strained for an ultra‑smooth texture, then blended with mayo, sugar, salt, and pepper. The creamy mixture is spread between soft white bread for a quick, satisfying snack or light meal.

EasyJapaneseServes 3

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
27m
Prep
12m
Cook
10m
Cleanup
49m
Total

Cost Breakdown

$2.19
Total cost
$0.73
Per serving

Critical Success Points

  • Boiling the eggs for exactly 12 minutes
  • Cooling the eggs quickly in an ice bath
  • Straining both yolks and whites for a silky texture
  • Mixing the egg mixture with mayonnaise until smooth

Safety Warnings

  • Handle the boiling water and hot pot with oven mitts to avoid burns.
  • Cool the eggs completely before peeling to prevent steam burns.
  • Use clean utensils when handling boiled eggs to avoid cross‑contamination.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of Egg Mayo Sandwich in Japanese cuisine?

A

The Egg Mayo Sandwich, known as "Tamago Sando," originated in Japanese convenience stores in the 1970s as a quick, portable snack. Its hallmark is the ultra‑smooth, creamy egg filling achieved by straining the boiled eggs, reflecting Japan’s love for delicate textures.

cultural
Q

What are the traditional regional variations of Egg Mayo Sandwich in Japanese cuisine?

A

While the classic Tamago Sando uses plain white bread, regional twists include adding shredded cabbage in Kansai, using milk‑softened bread in Hokkaido, or incorporating a dash of Japanese mayo (Kewpie) for a richer flavor.

cultural
Q

How is Egg Mayo Sandwich traditionally served in Japan?

A

In Japan, the sandwich is typically sliced into neat triangles, wrapped in clear plastic, and sold at convenience stores or bento boxes. It is eaten at room temperature, often alongside a cup of green tea or as part of a lunchbox.

cultural
Q

What occasions or celebrations is Egg Mayo Sandwich traditionally associated with in Japanese culture?

A

Egg Mayo Sandwich is a staple for school lunches, picnics, and quick office meals. It is also a popular item during the summer festival season because it is easy to pack and eat on the go.

cultural
Q

What other Japanese dishes pair well with Egg Mayo Sandwich?

A

A light miso soup, pickled daikon, or a side of edamame complement the soft sandwich nicely, balancing its richness with fresh, salty, or umami notes.

cultural
Q

What makes Egg Mayo Sandwich special or unique in Japanese cuisine?

A

The sandwich’s signature smoothness comes from straining the boiled eggs, a technique rarely used in Western egg salads. This creates a melt‑in‑your‑mouth texture that epitomizes the Japanese focus on refined mouthfeel.

cultural
Q

What are the most common mistakes to avoid when making Egg Mayo Sandwich at home?

A

Common errors include over‑cooking the eggs (resulting in a rubbery texture), skipping the ice‑bath cooling step (making peeling hard), and not straining the yolks and whites, which leads to a gritty filling.

technical
Q

Why does this Egg Mayo Sandwich recipe use a fine mesh sieve to strain the eggs instead of simply mashing them?

A

Straining removes any membrane fragments and air pockets, giving the filling a velvety, uniform consistency that cannot be achieved by simple mashing. This step is essential for the characteristic “soft‑as‑cloud” texture.

technical
Q

Can I make Egg Mayo Sandwich ahead of time and how should I store it?

A

Yes. Boil and peel the eggs a day ahead, keep the strained egg mixture refrigerated in an airtight jar, and assemble the sandwiches just before serving. Store assembled sandwiches in the fridge for up to 24 hours.

technical
Q

What does the YouTube channel Unknown specialize in?

A

The YouTube channel Unknown focuses on quick, everyday home‑cooking tutorials, often highlighting simple techniques that turn ordinary ingredients into comforting snacks and meals.

channel
Q

How does the YouTube channel Unknown's approach to Japanese cooking differ from other Japanese cooking channels?

A

Channel Unknown emphasizes minimal equipment, short prep times, and clear step‑by‑step visuals, making traditional Japanese snack recipes like the Egg Mayo Sandwich accessible to busy home cooks worldwide.

channel

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