Japanese Bento Open-Face Sandwiches

Featured in: Fabulous Weeknight Meals

This vibrant dish features lightly-toasted Japanese milk bread topped with an array of playful ingredients inspired by bento box traditions. Shrimp, egg, cucumber, avocado, radish, carrot, and nori are artfully arranged, enhanced by a flavor-rich Japanese mayonnaise spread and finished with sesame seeds. Quick to prepare, these colorful sandwiches offer a medley of fresh textures and tastes, making them ideal for a simple lunch, light meal, or packing into a bento box. Options to swap proteins or add extra vegetables keep the dish flexible for pescatarians and vegetarians alike.

Updated on Wed, 29 Oct 2025 10:14:00 GMT
Colorful Japanese bento open-face sandwiches topped with shrimp and fresh vegetables. Save Pin
Colorful Japanese bento open-face sandwiches topped with shrimp and fresh vegetables. | fabulousdishesby.com

Colorful, fresh, and playful open-face sandwiches inspired by Japanese bento box traditions. These sandwiches feature a medley of flavors and textures, perfect for lunch or a light meal.

The first time I made these bento-inspired sandwiches for my friends, everyone was delighted by the look and taste. They sparked conversation about childhood lunchbox memories and encouraged playful creativity with toppings.

Ingredients

  • Bread: 4 slices Japanese milk bread (shokupan) or soft white sandwich bread
  • Protein: 100 g cooked shrimp, peeled and deveined; 2 large eggs
  • Vegetables: 1/2 small cucumber, thinly sliced; 1/2 avocado, sliced; 4 small radishes, thinly sliced; 1 small carrot, julienned; 2 sheets nori (seaweed), cut into strips; 1 tbsp pickled ginger (optional); 1 tbsp edamame beans, shelled
  • Spreads & Seasoning: 2 tbsp Japanese mayonnaise (Kewpie preferred); 1 tsp soy sauce; 1 tsp rice vinegar; 1/2 tsp toasted sesame oil; 1 tsp black or white sesame seeds; Salt and pepper, to taste

Instructions

Toast bread:
Toast the bread slices lightly and let cool.
Prepare eggs:
Boil eggs for 8 minutes. Cool and peel, then slice eggs into rounds.
Make spread:
In a small bowl, mix mayonnaise, soy sauce, rice vinegar, and sesame oil.
Spread base:
Spread a thin layer of the mayonnaise mixture over each bread slice.
Arrange toppings:
Layer shrimp, egg slices, cucumber, avocado, radish, carrot, nori strips, pickled ginger, and edamame beans artfully on top.
Season and serve:
Sprinkle with sesame seeds. Season with salt and pepper. Serve immediately, or pack in a bento box.
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Building these sandwiches together is a fun activity for kids and adults alike. It's become a favorite weekend lunch in our household, often paired with simple green tea.

Required Tools

Small saucepan for boiling eggs, knife for slicing, cutting board, toaster, and a spreading knife or spoon are all you'll need.

Allergen Information

This recipe contains eggs, wheat (gluten), soy, seafood (shrimp), and sesame. Some brands of bread and mayonnaise may contain traces of nuts—always check packaging if uncertain.

Nutritional Information

Per sandwich: 215 calories, 8 g total fat, 24 g carbohydrates, 11 g protein.

Deliciously layered Japanese bento open-face sandwiches served with creamy mayonnaise drizzle. Save Pin
Deliciously layered Japanese bento open-face sandwiches served with creamy mayonnaise drizzle. | fabulousdishesby.com

Serve fresh for maximum crunch and visual appeal, or wrap and store chilled up to 4 hours for on-the-go lunches.

Recipe FAQs

What type of bread is best for these sandwiches?

Japanese milk bread (shokupan) gives a soft texture and mild flavor, but any soft white sandwich bread works well.

Can I make these vegetarian?

Yes, simply omit the shrimp and replace with tofu, extra vegetables, or other preferred proteins.

How should I present these sandwiches?

Arrange toppings creatively on toasted bread slices to achieve a playful, colorful bento-inspired look.

Are these suitable for meal prep?

They taste best fresh, but can be wrapped and kept chilled for a few hours if packed in a bento box.

What are good protein alternatives?

Try smoked salmon, grilled chicken, or even chickpeas for a twist on the classic flavors.

Do these sandwiches contain common allergens?

They may include eggs, wheat, soy, seafood, and sesame. Check all ingredients for allergen info before serving.

Japanese Bento Open-Face Sandwiches

Artful, fresh sandwiches with shrimp, egg, and vegetables, perfect for vibrant lunches or light meals.

Prep Duration
20 min
Time to cook
10 min
Overall duration
30 min
Posted by Fabulous dishes by Vanessa Collins


Skill level Easy

Cuisine style Japanese Fusion

Servings made 4 Number of servings

Dietary details None specified

Ingredient list

Bread

01 4 slices Japanese milk bread or soft white sandwich bread

Protein

01 3.5 ounces cooked shrimp, peeled and deveined
02 2 large eggs

Vegetables

01 1/2 small cucumber, thinly sliced
02 1/2 avocado, sliced
03 4 small radishes, thinly sliced
04 1 small carrot, julienned
05 2 sheets nori, cut into strips
06 1 tablespoon pickled ginger, optional
07 1 tablespoon edamame beans, shelled

Spreads & Seasoning

01 2 tablespoons Japanese mayonnaise
02 1 teaspoon soy sauce
03 1 teaspoon rice vinegar
04 1/2 teaspoon toasted sesame oil
05 1 teaspoon black or white sesame seeds
06 Salt and pepper, to taste

Step-by-Step Guide

Instruction 01

Toast Bread: Lightly toast bread slices using a toaster and allow to cool on a rack.

Instruction 02

Prepare Eggs: Boil eggs in a small saucepan for 8 minutes, transfer to cold water, peel, and slice into rounds.

Instruction 03

Prepare Spread: Combine Japanese mayonnaise, soy sauce, rice vinegar, and toasted sesame oil in a small bowl and blend until smooth.

Instruction 04

Assemble Base: Evenly spread a thin layer of the mayonnaise mixture over each cooled bread slice using a spreading knife or spoon.

Instruction 05

Arrange Toppings: Artfully layer shrimp, egg rounds, cucumber, avocado, radish, carrot, nori strips, pickled ginger if desired, and edamame on each sandwich.

Instruction 06

Season and Finish: Sprinkle sandwiches with sesame seeds, and season gently with salt and pepper.

Instruction 07

Serve: Serve immediately, or wrap and pack in a bento box to enjoy later.

Equipment needed

  • Small saucepan
  • Knife
  • Cutting board
  • Toaster
  • Spreading knife or spoon

Allergy details

Take a moment to check each ingredient for possible allergens. Always reach out to a medical expert if you're unsure.
  • Contains eggs, wheat (gluten), soy, shrimp, and sesame.
  • May contain traces of nuts depending on bread and mayonnaise brands.
  • Check product labels for potential allergens.

Nutrition details by serving

These details help guide you, but be sure to consult a healthcare professional when needed.
  • Kcal: 215
  • Lipids: 8 g
  • Carbohydrates: 24 g
  • Protein: 11 g