Japanese Bento Open-Face Sandwiches

Featured in: Vegetarian Favorites

These Japanese bento open-face sandwiches showcase a blend of cooked shrimp, eggs, crisp vegetables, and creamy spreads atop soft milk bread. Inspired by the playful arrangement of bento box meals, the sandwiches are assembled with colorful layers—avocado, cucumber, radish, carrot, nori, and pickled ginger—delicately seasoned with soy sauce, rice vinegar, sesame oil, and seeds. Toast the bread, make the tangy mayonnaise spread, then artistically top each slice. Customizable protein options include tofu, smoked salmon, or chicken, ensuring variety for different dietary needs. Easy to prepare and packed with flavor, these sandwiches are ideal for lunch or packed as a fun bento meal.

Updated on Mon, 27 Oct 2025 13:56:00 GMT
Colorful Japanese bento open-face sandwiches topped with shrimp and fresh vegetables.  Save
Colorful Japanese bento open-face sandwiches topped with shrimp and fresh vegetables. | whisknjoy.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.

I first discovered this playful way to assemble sandwiches when experimenting with bento lunches at home for my family. It quickly became a favorite for both adults and kids due to its creative flair and fresh flavors!

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

Prepare bread:
Toast the bread slices lightly and let cool.
Cook eggs:
Boil eggs for 8 minutes, then cool and peel. Slice eggs into rounds.
Mix spread:
In a small bowl, mix mayonnaise, soy sauce, rice vinegar, and sesame oil to make the spread.
Spread and assemble:
Spread a thin layer of the mayonnaise mixture over each bread slice. Arrange toppings artistically on each sandwich: layer with shrimp, egg slices, cucumber, avocado, radish, carrot, nori strips, pickled ginger, and edamame.
Finish:
Sprinkle with sesame seeds, and season lightly with salt and pepper. Serve immediately, or pack in a bento box for later.
Deliciously layered Japanese bento open-face sandwiches with shrimp and creamy avocado.  Save
Deliciously layered Japanese bento open-face sandwiches with shrimp and creamy avocado. | whisknjoy.com

Making these with my kids turns lunch into a creative experience and a cherished routine before busy afternoons. We love picking and layering our favorite toppings together.

Required Tools

Small saucepan, knife, cutting board, toaster, and a spreading knife or spoon are all you need.

Allergen Information

Contains: Eggs, Wheat (gluten), Soy, Seafood (shrimp), Sesame. May contain traces of nuts depending on bread and mayonnaise brands. Always check labels for allergens if uncertain.

Nutritional Information (per sandwich)

Calories: 215, Total Fat: 8 g, Carbohydrates: 24 g, Protein: 11 g

Vibrant Japanese bento open-face sandwiches featuring shrimp, eggs, and crunchy radishes. Save
Vibrant Japanese bento open-face sandwiches featuring shrimp, eggs, and crunchy radishes. | whisknjoy.com

Let everyone build their own sandwich for extra fun! These bento-inspired bites are sure to brighten up any lunch box.

Recipe FAQ

What type of bread works best?

Japanese shokupan milk bread or any soft white sandwich bread gives a delicate texture and absorbs the flavors well.

Can I substitute the protein?

Yes, use tofu for a vegetarian version or try smoked salmon or grilled chicken for different flavors.

Is it necessary to toast the bread?

Lightly toasting adds structure and prevents sogginess from moist toppings, but you can skip if preferred.

How do I pack these for a bento box?

Wrap sandwiches in parchment and chill; assemble toppings securely so they stay fresh until lunch.

How can I boost spice or flavor?

Add a dab of wasabi, a drizzle of sriracha, or extra pickled ginger for a spicy kick and extra dimension.

Are there allergy concerns?

Contains eggs, gluten, soy, shrimp, and sesame. Check labels for traces of nuts on bread and mayonnaise brands.

Japanese Bento Open-Face Sandwiches

Fresh open-face sandwiches featuring Japanese flavors, vibrant toppings, and creative arrangements for a delightful bite.

Prep duration
20 min
Cook duration
10 min
Complete duration
30 min
Created by Sophia Turner

Classification Vegetarian Favorites

Skill Level Easy

Cultural Background Japanese Fusion

Output 4 Portion Count

Dietary considerations None specified

Components

Bread

01 4 slices Japanese milk bread (shokupan) 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 (seaweed), cut into strips
06 1 tablespoon pickled ginger (optional)
07 1 tablespoon shelled edamame beans

Spreads & Seasoning

01 2 tablespoons Japanese mayonnaise (Kewpie preferred)
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 freshly ground black pepper, to taste

Preparation Steps

Stage 01

Toast bread: Lightly toast the bread slices until just golden, then allow to cool to room temperature.

Stage 02

Prepare eggs: Place eggs in a small saucepan, cover with water, bring to a boil and simmer for 8 minutes. Remove eggs, cool under cold water, peel, and slice into rounds.

Stage 03

Make sandwich spread: In a bowl, combine mayonnaise, soy sauce, rice vinegar, and toasted sesame oil. Mix until fully blended.

Stage 04

Assemble sandwiches: Spread a thin layer of the prepared mayonnaise mixture over each toasted bread slice.

Stage 05

Add toppings: Arrange shrimp, egg slices, cucumber, avocado, radish, carrot, nori strips, pickled ginger, and edamame decoratively on each bread slice.

Stage 06

Finish and season: Sprinkle each sandwich with sesame seeds. Add salt and freshly ground black pepper as desired.

Stage 07

Serve or pack: Serve immediately or carefully pack into a bento box. If storing, wrap and chill for up to 4 hours before consuming.

Necessary tools

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

Allergy details

Review all ingredients for potential allergens and consult with healthcare professionals if you're unsure about any item.
  • Contains eggs, wheat (gluten), soy, shrimp (seafood), sesame
  • May contain traces of nuts depending on bread and mayonnaise brands; always confirm labels for potential allergens.

Nutritional content (each portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy: 215
  • Fats: 8 g
  • Carbohydrates: 24 g
  • Proteins: 11 g