Experience the delightful simplicity of a Japanese egg salad sandwich. This recipe combines the creamy richness of Japanese mayonnaise with perfectly hard-boiled eggs, creating a savory filling that pairs beautifully with soft, crustless white bread. It's a quick and satisfying meal that's perfect for any time of the day.
One ingredient you might not have at home is Japanese mayonnaise. Unlike regular mayonnaise, it has a slightly sweeter and tangier flavor, often made with rice vinegar and a hint of MSG. You can find it in the Asian food section of most supermarkets or at specialty Asian grocery stores.

Ingredients For Japanese Egg Salad Sandwich
Hard-boiled eggs: These provide the base for the egg salad, offering a rich and creamy texture.
Japanese mayonnaise: Adds a unique, slightly sweet and tangy flavor to the egg salad.
Sugar: Enhances the sweetness and balances the flavors.
Salt: Brings out the flavors of the other ingredients.
White bread: Soft and crustless, it complements the creamy egg filling perfectly.
Technique Tip for This Recipe
When mashing the eggs, aim for a slightly chunky texture rather than a completely smooth paste. This adds a delightful contrast in the sandwich and enhances the overall mouthfeel.
Suggested Side Dishes
Alternative Ingredients
hard-boiled eggs - Substitute with firm tofu: Firm tofu can mimic the texture of hard-boiled eggs and can be seasoned to taste similar.
japanese mayonnaise - Substitute with regular mayonnaise: Regular mayonnaise can be used, though you might want to add a bit of rice vinegar and a pinch of sugar to mimic the slightly sweeter and tangier flavor of Japanese mayonnaise.
sugar - Substitute with honey: Honey can provide the sweetness needed, though it will add a slightly different flavor profile.
salt - Substitute with soy sauce: Soy sauce can add a salty flavor along with a bit of umami, enhancing the overall taste.
white bread - Substitute with whole wheat bread: Whole wheat bread can be a healthier option and still provides a soft texture suitable for sandwiches.
Other Alternative Recipes Similar to This Sandwich
How to Store or Freeze This Recipe
- Ensure the egg salad mixture is completely cooled before storing. This helps maintain its texture and flavor.
- Place the egg salad mixture in an airtight container. This prevents it from absorbing any unwanted odors from the fridge.
- Store the container in the refrigerator. The egg salad mixture can be kept fresh for up to 3 days.
- If you have already assembled the sandwiches, wrap each one tightly in plastic wrap. This keeps the bread from drying out and maintains the sandwich's integrity.
- For longer storage, consider freezing the egg salad mixture separately. Place it in a freezer-safe container or a heavy-duty freezer bag.
- Label the container with the date. This helps you keep track of how long it has been stored.
- When ready to use, thaw the egg salad mixture in the refrigerator overnight. Avoid thawing at room temperature to prevent any risk of bacterial growth.
- Once thawed, give the egg salad mixture a good stir to restore its creamy consistency before spreading it on fresh bread.
- Avoid freezing the assembled sandwiches. The bread can become soggy and lose its texture when thawed.
- If you must freeze the assembled sandwiches, wrap them in aluminum foil and then place them in a freezer-safe bag. This double layer helps protect against freezer burn.
- To reheat, place the wrapped sandwiches in a preheated oven at 350°F (175°C) for about 10-15 minutes. This helps restore some of the bread's texture.
- Always check the egg salad mixture for any off smells or changes in texture before consuming, especially if it has been stored for an extended period.
How to Reheat Leftovers
Oven Method: Preheat your oven to 350°F (175°C). Wrap the sandwiches in aluminum foil to prevent them from drying out. Place them on a baking sheet and heat for about 10 minutes, or until warmed through.
Microwave Method: Place the sandwiches on a microwave-safe plate. Cover them with a damp paper towel to retain moisture. Microwave on medium power for 1-2 minutes, checking halfway through to ensure they are evenly heated.
Stovetop Method: Heat a non-stick skillet over medium heat. Place the sandwiches in the skillet and cover with a lid. Heat for 2-3 minutes on each side, or until the egg salad is warmed through and the bread is slightly toasted.
Toaster Oven Method: Preheat your toaster oven to 350°F (175°C). Place the sandwiches on the toaster oven rack or a baking tray. Heat for about 5-7 minutes, or until the egg salad is warm and the bread is lightly toasted.
Steam Method: If you have a steamer, place the sandwiches in the steamer basket. Steam for about 5 minutes, or until the egg salad is warmed through. This method helps retain the moisture of the bread and egg salad.
Best Tools for Making This Sandwich
Pot: Used to boil the eggs until they are hard-boiled.
Stove: Necessary for heating the pot to boil the eggs.
Timer: Helps to keep track of the 10 minutes needed to boil the eggs.
Slotted spoon: Useful for removing the eggs from the boiling water.
Bowl: Used to place the peeled eggs for mashing.
Fork: Ideal for mashing the eggs into a fine consistency.
Spoon: Can also be used for mashing the eggs and mixing the ingredients.
Measuring spoons: Ensures accurate measurement of the mayonnaise, sugar, and salt.
Knife: Used to remove the crusts from the bread and to cut the sandwiches in half.
Cutting board: Provides a safe surface for cutting the bread.
Spatula: Helps to spread the egg mixture evenly on the bread slices.
How to Save Time on Making This Recipe
Pre-boil the eggs: Boil the eggs in advance and store them in the fridge to save time when you're ready to make the sandwiches.
Use an egg slicer: An egg slicer can quickly and evenly chop the eggs, making the mashing process faster.
Pre-mix the dressing: Combine the Japanese mayonnaise, sugar, and salt ahead of time so you can just add it to the mashed eggs.
Assemble in batches: Make multiple sandwiches at once and store them in the fridge for quick meals throughout the week.

Japanese Egg Salad Sandwich
Ingredients
Main Ingredients
- 4 Eggs hard-boiled
- 2 tablespoon Japanese mayonnaise
- 1 teaspoon Sugar
- 1 pinch Salt
- 4 slices White bread crusts removed
Instructions
- 1. Boil the eggs for 10 minutes until hard-boiled.
- 2. Peel the eggs and place them in a bowl.
- 3. Mash the eggs with a fork or spoon.
- 4. Add Japanese mayonnaise, sugar, and salt to the mashed eggs. Mix well.
- 5. Spread the egg mixture evenly on two slices of bread.
- 6. Top with the remaining slices of bread. Cut the sandwiches in half.
Nutritional Value
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