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Breakfast · Part 3 of 3: Tips & recipe card

Cloud-Like Japanese Tamago Sando with Jammy Egg Center Tips, FAQ & printable recipe

A close-up view of a Japanese Tamago Sando sandwich showing a creamy egg salad filling and a jammy egg center.
Prep
Cook
Total
Serves
2

Tips for success

For the perfect jammy egg, use a timer and have an ice bath ready. After boiling, immediately transfer the egg to the ice bath for at least 5 minutes. This stops the cooking process and makes peeling easier.

When peeling, start at the wider end where the air pocket is, and peel under running water to help separate the shell. If the yolk is too soft and the egg breaks, you can still use it in the salad—just chop it and mix it in.

To slice the sandwich cleanly, use a serrated knife and saw gently back and forth. For the best presentation, cut the sandwich in half crosswise, not diagonally, to show the full cross-section.

You can also press down lightly on the sandwich before slicing to help the filling settle. If you're making this ahead, assemble the sandwich but don't slice until just before serving to prevent the bread from drying out.

Variations

  • Spicy Tamago Sando: Add a teaspoon of sriracha or chili garlic sauce to the egg salad mixture for a spicy kick. The heat complements the creamy mayo and sweet bread. Adjust the amount to suit your preference.
  • Herb-Infused Egg Salad: Stir in a tablespoon of chopped fresh chives or dill into the egg salad. The herbs add a fresh, bright note that pairs well with the rich eggs. Use any soft herb you like.
  • Avocado Tamago Sando: Mash half a ripe avocado and mix it into the egg salad for extra creaminess and healthy fats. The avocado also adds a subtle green color that contrasts nicely with the yellow egg.
  • Smoked Salmon Tamago Sando: Layer a few slices of smoked salmon on the buttered bread before adding the egg salad. The smoky, salty fish pairs beautifully with the creamy eggs and soft bread. Omit the jammy egg if you prefer a simpler version.

Storage and make-ahead

Fridge
Store the assembled sandwich in the refrigerator for up to 24 hours. Keep it wrapped in plastic wrap or in an airtight container to prevent drying.
Freezer
Freezing is not recommended, as the texture of the egg salad and bread will suffer.
Reheat
This sandwich is meant to be served cold or at room temperature. Do not reheat, as the mayonnaise and egg salad will separate.

Store any leftover sandwich in an airtight container in the refrigerator for up to 24 hours. The bread may soften slightly, but the flavor will remain. If you've already sliced the sandwich, cover the cut sides with plastic wrap to prevent drying. For best quality, consume within a day.

You can prepare the egg salad and the jammy egg up to 2 days in advance. Store the egg salad in an airtight container in the refrigerator, and keep the peeled jammy egg in a bowl of cold water in the fridge. Assemble the sandwich just before serving to keep the bread at its best. The butter can also be softened ahead and stored in the fridge.

Serving ideas

Serve the tamago sando as a delightful breakfast or brunch item, alongside a cup of hot green tea or coffee. The sandwich is also perfect for lunchboxes, picnics, or as a light snack.

For an elegant presentation, arrange the sliced sandwiches on a plate with a few pickles or a small side salad. The vibrant yellow yolk and creamy filling make it a visually appealing addition to any table.

This sandwich is best enjoyed fresh, within a few hours of assembly. The bread is at its softest, and the egg salad is creamy.

If you're serving a crowd, you can assemble the sandwich and slice it into smaller pieces, such as quarters, for easy sharing. The combination of textures and flavors is sure to impress, whether served at a casual gathering or a more formal tea.

Frequently asked questions

What is shokupan and where can it be found?
Shokupan is a Japanese milk bread with a soft, fluffy texture and a slightly sweet flavor. It is available at Asian grocery stores, some specialty bakeries, or online. If you cannot find it, brioche or Texas toast are good substitutes.
Can this sandwich be made gluten-free?
Yes, use a gluten-free bread that is soft and thick-cut. The rest of the ingredients are naturally gluten-free. Ensure the mayonnaise is gluten-free as well, though most are.
Why is the jammy egg in the center?
The jammy egg in the center creates a beautiful cross-section and adds a rich, velvety yolk that contrasts with the creamy egg salad. It is a signature of this upgraded tamago sando.
How long do the eggs need to boil for a jammy yolk?
Boil the egg for exactly 6 minutes for a jammy yolk. After boiling, immediately transfer to an ice bath to stop cooking. The yolk should be set on the outside but soft and glossy in the center.
Can the egg salad be made without Japanese mayonnaise?
Yes, but the flavor will differ. Use regular mayonnaise and add a pinch of sugar and a splash of rice vinegar to approximate the tangy, savory taste of Japanese mayo.
Recipe card

Cloud-Like Japanese Tamago Sando with Jammy Egg Center

Prep 15 minCook 10 minTotal 25 minServes 2
A close-up view of a Japanese Tamago Sando sandwich showing a creamy egg salad filling and a jammy egg center.

Ingredients

  • 4 large eggs (hard-boiled)
  • 1 large egg (6-minute jammy)
  • 3 tbsp Japanese mayonnaise (Kewpie-style)
  • 1 tsp heavy cream
  • 1/2 tsp sugar
  • White pepper, to taste
  • 2 slices shokupan (Japanese milk bread), thick-cut
  • 2 tbsp salted butter, softened

Instructions

  1. Place the 4 hard-boiled eggs in a small saucepan and cover with cold water. Bring to a boil, then remove from heat, cover, and let sit for 12 minutes. For the jammy egg, bring a separate small pot of water to a boil, gently lower the egg in, and cook for exactly 6 minutes. Transfer both batches to an ice bath and let cool completely.
  2. Peel the 4 hard-boiled eggs and place them in a mixing bowl. Using a potato masher or fork, mash them until they are finely crumbled but still have a little texture. You want a cohesive but not pasty mixture.
  3. Add the Japanese mayonnaise, heavy cream, sugar, and a pinch of white pepper to the mashed eggs. Stir gently until everything is well combined. The mixture should be creamy and spreadable but not runny. Taste and adjust seasoning with more white pepper if desired.
  4. Gently peel the 6-minute jammy egg under cold running water. Be careful—the yolk is still soft and delicate. Pat it dry with a paper towel and set it aside.
  5. Spread the softened salted butter evenly over one side of each slice of shokupan. Make sure to reach the edges, as this will create a barrier that keeps the bread from getting soggy.
  6. Place the jammy egg in the center of one buttered slice of bread. If the egg is too tall, gently press it down slightly. Spoon the egg salad around the egg, packing it firmly so it fills the space and creates an even layer. Top with the second slice of bread, buttered side down.
  7. Wrap the assembled sandwich tightly in plastic wrap. Place it in the refrigerator for 10 to 15 minutes. This helps the sandwich set and makes slicing cleaner.
  8. Unwrap the sandwich and place it on a cutting board. Using a sharp knife, trim off the crusts on all four sides. Then slice the sandwich in half crosswise to reveal the cross-section with the jammy egg yolk in the center.
Contains: eggs, milk, gluten
Food safety: The jammy egg center is intentionally soft-cooked and not fully set. Pregnant women, young children, older adults, and anyone with a weakened immune system should use pasteurized eggs.

Estimated nutrition per serving

Calories
420
Protein
14 g
Carbohydrates
30 g
Fat
28 g
Automatic estimate from the ingredient list, not laboratory-verified.
Recipe by Clara Weller (pen name) · Allquickyrecipes · https://recipes.allquickyrecipes.com/creamy-japanese-tamago-sando-with-jammy-egg-center/part-3