Milk Bread Sandwich with Egg Salad and Pickled Cucumber

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Soft, fluffy Japanese milk bread envelops a creamy egg salad brightened with crisp pickled cucumber slices for a nostalgic sandwich. This japanese-inspired sandwiches & wraps ready in about 25 minutes pairs Japanese milk bread (shokupan), large eggs, mayonnaise for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 10 min Serves 2 Japanese cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Place 3 large eggs in a small pot and cover with cold water. Bring to a boil over medium-high heat, then reduce heat and simmer for 10 minutes. Remove eggs, cool under cold water, peel, and roughly chop.
  2. Step 2: In a medium bowl, combine chopped eggs with 3 tbsp mayonnaise, 1 tsp Japanese mustard, 1 tbsp rice vinegar, 1/4 tsp salt, and 1/8 tsp black pepper. Mix gently until creamy but chunky.
  3. Step 3: Thinly slice cucumber into rounds and soak in 1 tbsp rice vinegar for 5 minutes to lightly pickle.
  4. Step 4: Lay 4 slices of Japanese milk bread on a clean surface. Spread the egg salad evenly over 2 slices.
  5. Step 5: Drain pickled cucumber slices and layer them evenly over the egg salad.
  6. Step 6: Top with the remaining 2 slices of bread to form sandwiches. Press gently and cut each sandwich diagonally in half.
  7. Step 7: Serve immediately or wrap tightly for a packed lunch.

Equipment for this recipe

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Frequently asked questions

How long does Milk Bread Sandwich with Egg Salad and Pickled Cucumber take to make?

Total time is about 25 minutes (15 min prep + 10 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Milk Bread Sandwich with Egg Salad and Pickled Cucumber?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep large eggs from drying out.

Can I substitute ingredients in Milk Bread Sandwich with Egg Salad and Pickled Cucumber?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Milk Bread Sandwich with Egg Salad and Pickled Cucumber for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Milk Bread Sandwich with Egg Salad and Pickled Cucumber?

Japanese sandwiches & wraps like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.