Japanese Egg Sandwich (Tamago Sando) Recipe

Japanese Egg Sandwich, or Tamago Sando, features ultra-creamy boiled eggs mashed with Kewpie mayo and seasonings between pillowy shokupan milk bread. This iconic convenience store treat balances rich yolk filling with crisp edges, ready in 20 minutes.

Why This Recipe Works

• Kewpie mayonnaise delivers superior umami and silkiness.
• Boiled eggs provide perfect creamy-to-firm texture ratio.
• Milk bread stays soft without sogginess.
• Japanese mustard adds subtle kick.
• Make-ahead filling improves overnight.

Ingredients & Prep

• 6 large eggs
• 4–5 tbsp Kewpie mayonnaise (regular mayo works)
• 1 tsp Japanese mustard or Dijon
• ½ tsp sugar
• ¼ tsp kosher salt
• ⅛ tsp MSG (optional, for authenticity)
• 4 slices shokupan (milk bread) or thick white bread, crusts removed
• Shredded cabbage (optional, for crunch)

Step-by-Step Instructions

1. Boil eggs 10–12 minutes for jammy yolks; shock in ice water, peel.
2. Mash 4 eggs roughly; finely chop 2 for varied texture.
3. Mix eggs with Kewpie, mustard, sugar, salt, and MSG until creamy but chunky.
4. Spread filling thickly on 2 bread slices; top with cabbage if using, then remaining slices.
5. Press firmly; cut diagonally into triangles. Serve immediately or chill.

Flavor Variations

Storage Tips

Assemble just before eating. Store filling refrigerated up to 3 days; bread softens nicely with filling.

FAQs

Eggs too dry?
Use slightly undercooked yolks; adjust mayo.

No shokupan?
Brioche or potato bread closest substitute.

Vegan?
Tofu scramble + vegan mayo mimics texture.

Conclusion

Tamago Sando captures Japanese perfection in simplicity creamy, balanced, and addictive for breakfast or snack.

Japanese Egg Sandwich (Tamago Sando) Recipe

Print Recipe

A soft, creamy Japanese egg salad sandwich made with fluffy milk bread, rich mayo, and perfectly cooked eggs. A classic convenience-store favorite that’s simple, comforting, and incredibly delicious.

• Author: ssam
• Prep Time: 10 mins
• Cook Time: 10 mins
• Total Time: 20 mins
• Yield: 1 sandwich 1x
• Category: Sandwich
• Method: No Cook
• Cuisine: Japanese
• Diet: Vegetarian

Ingredients

Scale 1x2x3x

• 4 large eggs
• 2 tbsp Japanese mayo (Kewpie preferred)
• 1 tsp sugar
• 1/4 tsp salt
• 1/8 tsp black pepper
• 1 tsp milk or cream (optional, for creamier texture)
• 2 slices Japanese milk bread (shokupan) or soft white bread
• Butter (optional, for spreading)

Instructions

• 1. Place eggs in a pot of cold water and bring to a boil. Once boiling, cook 8–9 minutes.
• 2. Transfer eggs to ice water and peel.
• 3. Mash the eggs in a bowl until chunky or smooth, depending on preference.
• 4. Add Kewpie mayo, sugar, salt, pepper, and milk/cream if using. Mix until creamy.
• 5. (Optional) Lightly butter the bread slices.
• 6. Spread the egg filling generously onto one slice of bread and top with the second slice.
• 7. Trim crusts for authentic style (optional), then slice in half.
• 8. Serve immediately or chill for 20 minutes for the classic konbini texture.

Notes

• Use Kewpie mayo for the most authentic flavor.
• For a runnier center version, reserve one soft-boiled egg yolk and fold it in.
• Chill before serving for a cleaner cut and firmer texture.

Nutrition

• Serving Size: 1 sandwich
• Calories: 310
• Sugar: 3g
• Sodium: 480mg
• Fat: 20g
• Saturated Fat: 5g
• Unsaturated Fat: 14g
• Trans Fat: 0g
• Carbohydrates: 22g
• Fiber: 1g
• Protein: 13g
• Cholesterol: 375mg

Keywords: Japanese egg sandwich, tamago sando, egg salad sandwich