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Copycat Bachan's Japanese barbecue sauce in a glass jar, dark and glossy with green onion visible throughout

Copycat Bachan's Japanese Barbecue Sauce

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Prep Time: 5 minutes
Cook Time: 5 minutes
Total Time: 10 minutes
Servings: 28 Servings

Description

A no-boil copycat of Bachan's Japanese barbecue sauce — sweet-savory, soy-forward, and thick enough to cling. Ten ingredients, no water, no straining, ready in ten minutes.

Ingredients 

  • 1 cup soy sauce, Japanese shoyu, full strength — not low-sodium
  • 3/4 cup cane sugar
  • 1/3 cup mirin, hon-mirin preferred
  • 3 tablespoons tomato paste
  • 2 tablespoons rice vinegar, unseasoned
  • 2 tablespoons fresh ginger, grated
  • 3 tablespoons green onion, minced
  • 1 tablespoon garlic, grated (3–4 cloves)
  • 1/4 teaspoon sea salt, to taste
  • 2 teaspoons toasted sesame oil

Instructions

  • Bloom the tomato paste. In a small saucepan, off the heat, whisk the tomato paste into the mirin until completely smooth. Skipping this leaves clumps that no amount of stirring will fix later.
  • [3 tablespoons tomato paste, 1/3 cup mirin]
  • Combine. Add the soy sauce, cane sugar, rice vinegar, ginger, green onion, garlic, sea salt, and sesame oil. Whisk together. Do not add water.
  • [1 cup soy sauce, 3/4 cup cane sugar, 2 tablespoons rice vinegar, 2 tablespoons fresh ginger, 3 tablespoons green onion, 1 tablespoon garlic, 1/4 teaspoon sea salt, 2 teaspoons toasted sesame oil]
  • Warm gently. Set over the lowest heat and stir until the sugar dissolves completely and the sauce turns glossy instead of grainy — 2 to 4 minutes. It should feel warm to the finger, around 120–140°F. Do not let it simmer or boil. Bubbles at the edge of the pan mean pull it off.
  • Cool and store. Let it come to room temperature, then pour into a clean glass jar. Do not strain — the green onion suspended in the sauce is part of what you're copying. It thickens slightly as it cools.

Equipment

  • Small Saucepan
  • Whisk
  • Microplane or fine grater
  • Glass jar with a tight lid

Notes

  • Don't boil it. Mirin's aroma is volatile and evaporates. Raw garlic and ginger are bright because they're raw. Warming has one job — dissolving the sugar. Once that's done, turn off the heat.
  • Don't strain it. Blooming the tomato paste in mirin first means there's nothing to strain out.
  • Don't add water. Bachan's doesn't. It's a concentrated finishing sauce, not a thin marinade.
  • Full-strength soy sauce only. Low-sodium versions taste flat here.
  • Glazing: the sugar content means it burns. Brush on in the last 2–3 minutes of cooking, never before. In an air fryer, drop to 350°F for that window and use two thin coats.
  • Marinade that touched raw meat gets discarded. Reserve a separate portion for glazing first.
  • Storage: sealed glass jar in the fridge, 2–3 weeks. It separates; shake it. Freezes in an ice cube tray for about 3 months.
  • Thicker glaze: pour off what you need, whisk in 1/2 tsp cornstarch slurried with 1 tbsp cold water, and heat that portion only.

Nutrition

Serving: 1ServingCalories: 35kcalCarbohydrates: 8gProtein: 1gFat: 0.3gSaturated Fat: 0.05gPolyunsaturated Fat: 0.1gMonounsaturated Fat: 0.1gSodium: 519mgPotassium: 40mgFiber: 0.2gSugar: 6gVitamin A: 33IUVitamin C: 1mgCalcium: 3mgIron: 0.3mg