Sauces & Condiments Japanese ✦ Inspired by: Detective Conan-inspired naming

Hattori Heiji Tonkatsu Sauce

Ketchup, Worcestershire, soy, mustard and honey whisk together into a quick tonkatsu-style sauce with enough savoury punch to make plain fried food suddenly look guilty of something.

Hattori Heiji Tonkatsu Sauce

What It Is

Ketchup, Worcestershire, soy, mustard and honey whisk together into a quick tonkatsu-style sauce with enough savoury punch to make plain fried food suddenly look guilty of something.

Origin

Tonkatsu sauce is Japanese and normally served with breaded pork cutlets. This Detective Conan-inspired version keeps the familiar sweet-tangy profile but gives it its own fandom coat.

Fun Fact

Commercial tonkatsu sauces often sit somewhere between Worcestershire, fruit sauce and ketchup in flavour, which is why the homemade versions can look suspiciously simple and still work.

Prep
5 min
Cook
—
Total
5 min
Servings
12 tbsps
(a generous estimate, much like most cookbook authors)
Difficulty
easy
Dairy-Free Nut-Free
Diet
Dairy-Free, Nut-Free, Low-Carb
Away Mission
5 min walk
(or beam directly past it, if the transporter's working today)
#hattori-heiji-tonkatsu-sauce #japanese #sauce #spoon-and-scribble

Ingredients

  • 1 tsp mustard powder
  • 1 cup ketchup
  • 1 tsp warm honey
  • ¼ cup Worcestershire sauce
  • 4 tsp soy sauce
  • 2 tsp water

Steps

  1. Whisk mustard powder with the water until smooth.
  2. Add ketchup, honey, Worcestershire and soy sauce.
  3. Whisk until completely smooth and chill before serving.

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Notes

Yes, the old version suggested pouring this on sushi. You can. You can also wear ski boots to a wedding. Freedom exists. Consequences also exist.

Nutrition Facts
Per 2 tbsp
Calories 30
Burning this off: roughly one intense session of Zamboni driving.
% Daily Value*
Fat 0.0 g 0%
Saturated + Trans 0 g 0%
Cholesterol 0 mg
Sodium 370 mg 16%
Carbohydrate 8.0 g
Fibre 0.0 g 0%
Sugars 6.0 g 6%
Protein 0.0 g
Potassium 70 mg 1%
Calcium 5 mg 0%
Iron 0.3 mg 2%
*5% or less is a little, 15% or more is a lot. Sodium levels calculated in a country with universal healthcare — and it's free, so don't worry about it too much.
A genuinely respectable nutrition profile. No red flags here — go ahead and feel a little smug about it.

Substitutions

Regular honey works instead of warmed, just stir it in a little longer to fully incorporate. Any mustard powder brand is interchangeable. Worcestershire amount can be adjusted for a saltier or milder result.

Storage

Store in a sealed jar in the fridge for up to 3 weeks — this is a vinegar-and-ketchup-based sauce, so it holds up well over time.

Freezing

Freezing is usually unnecessary for a small batch of sauce. If you do freeze it, use small portions and expect creamy or emulsified sauces to need a good whisk after thawing.