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Japanese Egg Sandwich

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A creamy, rich, and comforting Japanese egg sandwich (Tamago Sando) made with silky egg filling, Japanese mayo, and soft milk bread. Popular in Japan’s cafés and convenience stores, it’s light yet indulgent, perfect for breakfast, lunch, or a snack.

  • Total Time: 30 minutes
  • Yield: 4 sandwiches

Ingredients

10 extra-large free-range eggs

1/4 cup Japanese mayonnaise (Kewpie recommended)

1 teaspoon sugar

Freshly cracked black pepper, to taste

Soft milk bread (enough for 4 sandwiches)

Splash of vinegar (for boiling eggs)

Instructions

  1. Fill a pot with water, add a splash of vinegar, and bring to a boil. Gently lower in the eggs and cook for 10 minutes.
  2. Transfer the eggs to an ice bath for 5 minutes, then peel.
  3. Separate the yolks and whites into two bowls.
  4. Mash the yolks with mayonnaise, sugar, and black pepper until smooth and custard-like.
  5. Chop the egg whites into small pieces and gently fold them into the yolk mixture.
  6. Spread a generous layer of the egg mixture between slices of milk bread.
  7. Press the sandwiches lightly under a plate with a weight for 5 minutes to achieve the neat café look.
  8. Trim off crusts if desired, slice, and serve immediately.

Notes

  • Use regular mayonnaise with a pinch of sugar and rice vinegar if Kewpie isn’t available.
  • For extra richness, add more mayo to the yolk mixture.
  • Traditionally, the bread isn’t toasted, but lightly toasting adds texture.
  • Sandwiches are best eaten fresh but can be refrigerated for up to 8 hours wrapped tightly.
  • Add Dijon mustard, paprika, or herbs for variations.
  • Author: Monica
  • Prep Time: 20 minutes
  • Cook Time: 10 minutes
  • Category: Snack, Lunch, Breakfast
  • Method: Boiled & Mixed
  • Cuisine: Japanese
  • Diet: Vegetarian

Nutrition

  • Serving Size: 1 sandwich
  • Calories: 310
  • Sugar: 4g
  • Sodium: 390mg
  • Fat: 16g
  • Saturated Fat: 4g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 1g
  • Protein: 14g
  • Cholesterol: 285mg