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The predecessor to Gyudon, Gyunabe is a historical Japanese dish that shows up in a bento box in Demon Slayer.
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Demon Slayer Gyunabe Bento

The train bento depicted in Demon Slayer is based on a dish called Gyunabe, and I want to show you how you can make the delicious beef bento box that Rengoku scarfs down in real life.
Course Entree
Cuisine Japanese
Keyword bento
Level Beginner
Main Ingredient Beef, Rice
Diet Dairy-Free
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes
Servings 2 bentos
Calories 837kcal

Ingredients

For Gyunabe

  • 1 teaspoon vegetable oil
  • 175 grams tofu (cut into thick squares)
  • 100 grams Tokyo Negi (1-inch slices at a 30° angle)
  • 100 grams onions (1/2 small onion sliced thick)
  • ¼ cup sake
  • ¼ cup mirin
  • ¼ cup soy sauce
  • 2 tablespoons sugar
  • 250 grams beef (thinly sliced for Sukiyaki)

For Bento Box

Instructions

  • Heat a frying pan over medium-high heat until hot. Add the oil and then add the tofu and Negi in a single layer. Fry these undisturbed until they're browned on one side (~2 minutes). Flip them over and then push them to one side of the pan.
    Browning scallions and tofu.
  • Add the onions along with the sake, mirin, soy sauce, and sugar. Let these simmer over medium heat until the onions are tender (~6 minutes). Flip the ingredients over periodically to ensure they get seasoned evenly.
    Simmering onions, scallions and tofu in a savory sweet sauce for gyunabe.
  • Add the beef and stir it around in the braising liquid to cook it through. The Gyunabe is done when the meat is no longer pink. Don't overcook it, or the beef will get tough.
    Simmering thinly sliced beef for making a Demon Slayer Beef Bento.
  • To pack the bento, add a layer of rice to the bottom of the bento box and top the right 2/3 with the Gyunabe.
    Packing Gyunabe on rice in a wooden bento box.
  • Add some benishōga to the top left edge of the box and then stagger some tofu on top of it.
    Adding benishōga and braised tofu to Rengoku's bento.
  • Layer some of the Negi on top of the tofu, and then finish your Demon Slayer bento box off with half of an Ajitsuke Tamago.
    Finishing off the Demon Slayer beef bento with a boiled egg.

Nutrition

Calories: 837kcal | Carbohydrates: 93g | Protein: 48g | Fat: 28g | Saturated Fat: 10g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 12g | Trans Fat: 2g | Cholesterol: 182mg | Sodium: 1971mg | Potassium: 650mg | Fiber: 8g | Sugar: 31g | Vitamin A: 630IU | Vitamin C: 28mg | Calcium: 248mg | Iron: 9mg