This Japanese Egg Sandwich, also known as Tamago Sando, is a soft, creamy, and incredibly satisfying sandwich made with fluffy eggs, Japanese-style egg salad, and pillowy milk bread. It’s quick to make, perfect for breakfast, lunch, or a light snack, and tastes just like the ones from Japanese convenience stores.

Japanese Egg Sandwich
Ingredients
Method
- Place the eggs in a saucepan and cover with cold water.
- Bring the water to a boil, then reduce to a gentle simmer and cook for 10 minutes.
- Transfer the eggs to an ice bath and let them cool completely before peeling.
- Separate two of the yolks from the whites.
- Mash the two yolks into a smooth paste with the mayonnaise, mustard, sugar, milk, salt, and pepper.
- Roughly chop the remaining eggs, including the extra yolks, and gently fold them into the creamy mixture.
- Stir in the chopped chives.
- Lightly butter one side of each slice of bread.
- Spread a generous amount of egg salad onto four slices.
- Top with the remaining bread slices, buttered side facing the filling.
- Trim the crusts if desired.
- Cut each sandwich in half or into triangles and serve immediately.
Notes
- Slightly undercook the eggs by 30 seconds if you prefer an extra creamy filling.
- Kewpie mayonnaise gives the most authentic Japanese flavor.
- Mash a few yolks separately for a smoother texture.
- Chill the filling for 15 minutes before assembling if time allows.
- Use the softest bread possible for the classic texture.
Variations
- Add finely chopped cucumber.
- Mix in diced ham.
- Add a pinch of curry powder.
- Include mashed avocado for extra creaminess.
- Sprinkle with everything bagel seasoning before serving.
Serving Suggestions
- Fresh fruit
- Potato chips
- Tomato soup
- Green salad
- Iced green tea
Tips
- Peel the eggs under running water for easier peeling.
- Don’t overmix the filling so it stays fluffy.
- Serve the sandwiches fresh for the softest texture.
- Refrigerate leftover egg salad for up to 2 days.
- Trim the crusts for a traditional café-style presentation.
Prep Time, Cook Time, and Total Time
Prep Time: 15 minutes
Cook Time: 10 minutes
Total Time: 25 minutes
Servings
Serves: 4 sandwiches
Nutrition Information (Approximate Per Serving)
- Calories: 390
- Protein: 18g
- Carbohydrates: 24g
- Fat: 24g
- Sodium: 520mg
FAQs
What is a Japanese Egg Sandwich?
A Japanese Egg Sandwich, or Tamago Sando, is a sandwich made with creamy egg salad and soft milk bread. It’s known for its rich, fluffy filling and delicate texture.
Can I use regular mayonnaise?
Yes, but Japanese Kewpie mayonnaise provides a richer, tangier flavor that closely matches the authentic version.
What bread is best?
Japanese milk bread (Shokupan) is ideal because it’s extra soft and slightly sweet. Soft white sandwich bread is a good substitute.
Can I make it ahead of time?
Yes. Prepare the egg filling up to one day ahead and assemble the sandwiches shortly before serving for the freshest texture.
Why is the filling so creamy?
The combination of mashed yolks, mayonnaise, and a small amount of milk creates an exceptionally smooth and fluffy egg salad.
Can I add other ingredients?
Absolutely. Chives, cucumber, ham, avocado, bacon, or even a little curry powder all make delicious additions.
Conclusion
Japanese Egg Sandwich is a simple yet incredibly delicious recipe that’s creamy, fluffy, and full of comforting flavor. Whether you’re making breakfast, lunch, or an afternoon snack, this classic Tamago Sando is always a satisfying choice.