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Try this simple and tasty tamago sando recipe! This delicious sandwich features a whole soft-boiled egg in the center with a perfectly runny yolk!

Looking for simple Japanese egg recipes? Try my Egg Onigiri, Tamago Don, or Tamagoyaki!

I’ll walk you through the ingredients and step-by-step instructions. I hope you enjoy it!

Why You Will Love This Recipe

It is so easy with a handful of ingredients and simple steps!
Perfect for a quick breakfast or lunch.
Mild, creamy flavors everyone loves—even kids!

Recipe Ingredients

You’ll need the following ingredients to make this Japanese egg sandwich:

Eggs: This recipe calls for both hard-boiled and soft-boiled eggs. Hard-boiled eggs are used for the egg salad, while soft-boiled eggs are added to the center.
Bread: Use soft, fluffy white bread (shokupan) in this recipe. Whole wheat bread can also work.
Mayonnaise: Japanese mayonnaise (such as Kewpie) is recommended for its rich and smooth texture.
Yogurt: Use plain, unsweetened yogurt. It adds a light, refreshing touch to the egg salad.
Vinegar: Rice vinegar adds a mild acidity. You can also use lemon juice as a substitute.

How To Make Tamago Sando: STEP BY STEP

Here are some quick visual instructions! For the video and all the detailed ingredients and instructions, you can go to the printable recipe card below.

Step 1

Boil the soft-boiled eggs for 7 minutes and the hard-boiled eggs for 10 minutes.

Step 2

Mash the hard-boiled eggs and mix with mayonnaise, yogurt, vinegar, salt, and pepper.

Step 3

Spread mustard on the bread, add egg salad, and place a soft-boiled egg in the center.

Step 4

Cover it with more egg salad and place another slice of bread on top.

Slice the sandwich in half, garnish with parsley, and enjoy!

Recipe Tips

Adjust the mayo to your liking—add more for extra creaminess or use less for a lighter feel.
When putting the sandwich together, gently press the bread so the egg salad stays in place when you cut it. You can also wrap it up and let it sit for 5 minutes before slicing—it helps everything settle.
If you want that classic Japanese convenience store look, go ahead and trim the edges!

What To Serve With

To complement this tamago sando, I recommend serving it with daikon salad and cabbage soup!

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I hope you enjoy this egg sandwich! If you try it, don’t forget to leave a rating to share your thoughts—I love hearing from you!