The Estate Tableat Copperopolis
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Japanese · Sauce / condiment

Tosa Joyu Bonito Soy Sauce

Dark soy and tamari steeped with kombu, bonito flakes and alcohol-free sake and mirin, then strained and matured for a month: the classic, rounder and smokier dipping sauce for sashimi.

  • YieldServes 8
  • Hands-on15 min
  • Total31 d
  • Difficulty

Ingredients

  • 2½ tspsake
  • 1½ tbspmirin
  • ½ piecekombu, 5 cm square
  • 120 mldark (koikuchi) soy sauce
  • 1½ tbsptamari
  • 5 gdried bonito flakes (hana-katsuo), a small handful

Diet

  • Pescatarian
  • Lower sugar

Contains

  • Gluten
  • Soy
  • Fish
  • Sulfites
  • Tuna
  • Bonito
  • Legumes (any)
  • Wheat
  • Rice
  • Yeast
  • Mold-ripened and koji-fermented foods
  • Seaweed (any)
  • Kelp
  • Histamine (aged and fermented foods)
  • Alcohol

Taste

  • Sweet
  • Salty
  • Umami / savory
  • Richness / fat
  • Smoke

Equipment

  • Stovetop

Season

  • Any season

Occasion

  • Meal prep

Effort

  • Under 20 min active
  • Over 3 hours total
  • Difficulty 1
  • Needs advance prep
  • Make-ahead friendly

Nutrition

  • Calories: low
  • Protein: low
  • Carbs: low
  • Fat: low
  • Fiber: low
  • Sodium: high

Budget

  • Budget: low

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