Easy Restaurant Tonkatsu Sauce とんかつソース

This sauce is built for restaurant speed and cost efficiency while capturing the East Asia Pacific Island culinary taste of Japan. Designed specifically for Ton Katsu とんかつ, a fried pork cutlet.

Easy to make in minutes, but only a little sauce adds a wonderful flavor to the Japanese Tonkatsu dish. I used this sauce in both of my recipes for Japanese Tonkatsu https://youtu.be/SP-QPoN0xR0 and the Tonkatsu Sandwich https://youtu.be/ajtcqiWDvOs


  • 1/4 Cup Ketchup
  • 1 Tablespoon Soy Sauce
  • 1/2 teaspoon Worcestershire Sauce
  • 1/2 Tablespoon Oyster Sauce
  • 1 teaspoon Minced Garlic
  • 1 teaspoon Minced Ginger
  • 1/2 Tablespoon Brown Sugar


  1. Get a mixing bowl and a whisk ready, and gather all ingredients.
  2. In mixing bowl, add Ketchup, Soy Sauce, Worcestershire Sauce, Oyster Sauce, Minced Garlic, Minced Ginger, and Brown Sugar.
  3. Whisk ingredients together until sugar dissolves and ingredients are well combined to form a sauce.
  4. Serve directly over Tonkatsu, or store for later. May be refrigerated at 41° Fahrenheit for one week.

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