3 levels of Japanese egg sandwiches
3 levels of Japanese egg sandwiches is a medium Japanese recipe that serves 4. 250 calories per serving. Recipe by Lennardy on YouTube.
Prep: 17 min | Cook: 20 min | Total: 47 min
Cost: $29.70 total, $7.43 per serving
Ingredients
- 8 large Eggs (for the tamagoyaki block; use fresh, room‑temperature eggs)
- 10 g Kombu (for dashi stock; dried kelp)
- 15 g Bonito Flakes (for dashi stock; shaved dried tuna)
- 500 ml Water (for dashi)
- 2 tsp Gelatin Powder (unflavored, animal‑based; helps set the tamagoyaki block)
- 1 tsp Salt (fine sea salt)
- ½ tsp White Pepper (ground)
- 4 tbsp Kewpie Mayonnaise (Japanese mayo; adds umami and creaminess)
- 2 tbsp Fresh Herbs (chopped chives or parsley, optional)
- ½ cup Panko Breadcrumbs (Japanese style, light and airy)
- 2 cups Vegetable Oil (for deep‑frying; high smoke point oil like canola or sunflower)
- 8 slices Japanese Milk Bread (soft, fluffy bread; toast before assembling)
Instructions
Prepare Dashi Stock
Combine 500 ml water and the kombu in a saucepan; bring to just below boiling, remove kombu, add bonito flakes, simmer 2 minutes, then strain through a fine mesh sieve.
Time: PT10M
Dissolve Gelatin
Sprinkle gelatin powder over the hot dashi and stir until completely dissolved; set aside to cool slightly (but not solidify).
Time: PT2M
Beat Eggs with Dashi
In a mixing bowl, whisk the 8 eggs, then gradually whisk in the gelatin‑infused dashi, salt, and white pepper until smooth.
Time: PT5M
Cook Tamagoyaki Block
Pour the egg mixture into a greased 9‑inch baking tray, smooth the surface, and bake in a pre‑heated oven at 350°F until set and lightly golden, about 15 minutes.
Time: PT15M
Temperature: 350°F
Chill Overnight
Allow the baked tamagoyaki to cool to room temperature, then cover tightly with plastic wrap and refrigerate overnight (minimum 8 hours).
Time: PT0M
Slice and Bread‑Coat
Remove the chilled block from the tray, slice into ½‑inch strips, lightly dust each strip with panko breadcrumbs, shaking off excess.
Time: PT5M
Deep‑Fry Egg Strips
Heat vegetable oil in a deep fryer or heavy‑bottom pot to 350°F; fry the panko‑coated strips until golden and crisp, about 2‑3 minutes per side. Drain on paper towels.
Time: PT5M
Temperature: 350°F
Assemble the Sandwich
Toast the milk bread slices, spread a thin layer of Kewpie mayo on each slice, sprinkle with chopped herbs, place 2‑3 fried egg strips on the bottom slice, top with another slice and cut diagonally.
Time: PT5M
Nutrition Facts
- Calories
- 250
- Protein
- 12 g
- Carbohydrates
- 30 g
- Fat
- 10 g
- Fiber
- 1 g
Dietary info: Contains gluten, Contains soy, Contains fish, Non‑vegetarian
Allergens: Eggs, Wheat, Soy (mayonnaise), Fish (dashi), Gelatin (animal)
Ingredient Substitutions
- Instead of Eggs: duck eggs
- Instead of Kombu: kelp powder
- Instead of Bonito Flakes: dried shiitake for vegetarian version
- Instead of Gelatin Powder: agar‑agar (use 1 tsp)
- Instead of Salt: soy sauce (reduce other salt)
- Instead of White Pepper: black pepper
- Instead of Kewpie Mayonnaise: regular mayo mixed with a dash of rice vinegar
- Instead of Fresh Herbs: dried chives (use less)
- Instead of Panko Breadcrumbs: regular breadcrumbs
- Instead of Vegetable Oil: peanut oil
- Instead of Japanese Milk Bread: white sandwich bread
Equipment Needed
- Saucepan
- Fine Mesh Sieve
- Mixing Bowl
- Whisk
- Baking Tray
- Oven
- Plastic Wrap
- Parchment Paper
- Deep Fryer or Heavy‑Bottom Pot
- Slotted Spoon
- Kitchen Scale (optional)
- Toaster
- Knife
- Cutting Board
Critical Steps — Do Not Skip
- Prepare Dashi Stock
- Cook Tamagoyaki Block
- Deep‑Fry Egg Strips
- Assemble the Sandwich
Chef Tips from the Video
- Use Kewpie mayonnaise for authentic Japanese flavor; its rice‑vinegar base adds subtle tang
- For an even richer dashi, add a splash of mirin after straining
- If you prefer a softer interior, reduce the gelatin to 1 tsp.
Troubleshooting
Gelatin does not set and the tamagoyaki stays soggy
Make sure the gelatin is fully dissolved in hot dashi; if using agar‑agar, increase the amount to 1 tsp and boil for 2 minutes.
Egg strips fall apart during frying
Pat the strips dry, ensure a light but even panko coating, and let the oil return to 350°F before adding the next batch.
Sandwich becomes soggy quickly
Toast the bread well and spread mayo on both slices; assemble just before serving.
Storage
Refrigerator: Store leftover fried egg strips in an airtight container for up to 3 days; re‑heat briefly before using.
Freezer: Do not freeze the assembled sandwich; the bread becomes soggy. You may freeze the chilled tamagoyaki block (wrapped tightly) for up to 1 month and fry after thawing.
Room temperature: Assembled sandwich is best eaten within 2 hours at room temperature.
Make-Ahead Tips
- The tamagoyaki block can be prepared up to 24 hours ahead and kept chilled
- Fried egg strips keep well refrigerated; re‑heat in a hot oven or skillet before assembling
Frequently Asked Questions
What is the cultural significance and history of Tamago Sando in Japanese cuisine?
Tamago sando, a simple egg sandwich, became popular in post‑war Japan as an affordable, protein‑rich snack sold in convenience stores and school cafeterias. It reflects Japan’s love for soft, fluffy breads (shokupan) paired with subtly seasoned fillings.
What are the traditional regional variations of Tamago Sando across Japan?
In Kansai, the sandwich often uses a sweeter, egg‑yolk‑only filling, while in Kanto the whole boiled egg is mashed with mayo. Some regions add pickled ginger or nori for extra flavor.
How is Tamago Sando traditionally served in Japan?
It is typically sliced diagonally, served at room temperature, and eaten with a side of pickles or a small salad. In bento boxes, it is wrapped in wax paper to keep the bread from getting soggy.
During which Japanese celebrations is Tamago Sando commonly enjoyed?
Tamago sando is a staple for school picnics, hanami (cherry‑blossom viewing) outings, and as a quick snack during festivals because it’s easy to pack and eat on the go.
What other Japanese dishes pair well with Tamago Sando?
It pairs nicely with miso soup, a small side of pickled daikon, or a bowl of cold soba noodles. For a more complete meal, serve it alongside onigiri and a green tea.
What makes the Level‑3 gelatin‑dashi tamagoyaki version special in Japanese cuisine?
The addition of dashi and gelatin creates a custard‑like interior that stays moist while the panko coating adds a crisp contrast, showcasing the Japanese technique of balancing texture and umami.
What are the most common mistakes to avoid when making the Level‑3 Tamago Sando?
Common errors include under‑dissolving the gelatin, over‑cooking the tamagoyaki block (which makes it rubbery), and frying at too low a temperature, which results in soggy panko.
Why does this Tamago Sando recipe use gelatin instead of just extra egg?
Gelatin stabilizes the dashi‑infused custard, preventing the flavorful stock from leaking out during chilling and frying, and gives the final block a firm yet jiggly texture that holds up to deep‑frying.
Can I make the Level‑3 Tamago Sando ahead of time and how should I store it?
Yes. Prepare the tamagoyaki block, chill it overnight, and keep it wrapped in plastic in the refrigerator. Fry the strips shortly before serving and assemble the sandwich immediately for best texture.
What texture and appearance should I look for when the tamagoyaki block is done?
The block should be set, lightly golden on top, and spring back gently when pressed. It should feel firm yet slightly jiggly, similar to a soft custard.
How do I know when the fried egg strips are done cooking?
The panko coating will turn a uniform golden‑brown color and the strips will feel crisp to the touch. A quick internal temperature check should read around 70°C (158°F).
What does the YouTube channel Lennardy specialize in?
The YouTube channel Lennardy focuses on creative home‑cooking tutorials, often exploring multi‑level or upgraded versions of classic comfort foods with clear visual explanations.
What is the cooking philosophy and style of the YouTube channel Lennardy?
Lennardy emphasizes step‑by‑step experimentation, encouraging viewers to start with simple basics and progress to more sophisticated techniques, always highlighting why each extra step adds flavor or texture.
Last updated: September 6, 2026
