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Chashu Bento Box

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A Japanese-inspired bento featuring tender chashu pork belly braised in a sweet-savory sauce, paired with fluffy rice, a boiled egg, and fresh green onion for a balanced, portable meal.

  • Total Time: 1 hour 10 minutes
  • Yield: 4 bento boxes

Ingredients

For the chashu:

1 tablespoon vegetable oil

2 pounds pork belly

1 cup water

¾ cup soy sauce

¾ cup sake

¾ cup mirin

½ cup honey

1 bulb garlic, halved

2 ounces ginger, sliced

1 large leek, cut into 3-inch pieces

For each bento box (serves 1):

1 cup warm cooked rice (or starch of choice)

1 boiled egg, halved

1 green onion, thinly sliced or curled in ice water

Instructions

  1. Heat a Dutch oven over high heat with vegetable oil. Sear pork belly on all sides until golden, 2–3 minutes per side.
  2. In a bowl, mix water, soy sauce, sake, mirin, and honey until combined.
  3. Remove excess fat from pot. Place pork belly fat side up, then add garlic, ginger, and leek.
  4. Pour in prepared sauce, stirring slightly. Cover with lid ajar and boil for 20 minutes.
  5. Reduce heat to medium and simmer uncovered for 30 minutes.
  6. Meanwhile, cook rice, boil eggs, and prepare green onion garnish.
  7. Remove pork, cool slightly, then slice into bite-sized pieces.
  8. Assemble: Place rice in a bento box, spoon 3–4 tbsp braising sauce over rice, top with sliced pork and egg halves, then garnish with green onion. Serve warm or room temp.

Notes

  • Swap pork with chicken thighs or tofu for lighter/vegetarian options.
  • Add veggies like bok choy, pickled radish, or spinach for extra nutrition.
  • Use different grains such as soba noodles or quinoa.
  • Spice it up with chili oil or shichimi togarashi.
  • Store boiled eggs separately if meal prepping.
  • Author: Monica
  • Prep Time: 10 minutes
  • Cook Time: 1 hour
  • Category: Lunch
  • Method: Braising
  • Cuisine: Japanese
  • Diet: Halal

Nutrition

  • Serving Size: 1 bento box
  • Calories: 725
  • Sugar: 24g
  • Sodium: 1840mg
  • Fat: 41g
  • Saturated Fat: 15g
  • Unsaturated Fat: 22g
  • Trans Fat: 0g
  • Carbohydrates: 54g
  • Fiber: 2g
  • Protein: 34g
  • Cholesterol: 215mg