Tonkatsu sauce, or Katsu sauce, is a Japanese bbq sauce that is a condiment for deep fried katsu dishes like chicken katsu or pork tonkatsu. Here's a super simple Tonkatsu sauce recipe that you can make with pantry ingredients in less than 5 minutes!
Mix together ketchup, worcestershire sauce, oyster sauce, and brown sugar in a bowl until smooth.
Let chill in the fridge for 15-30 minutes in the fridge to let the flavors meld together. Serve as a dipping sauce for katsu or drizzle it on vegetables, or salads and enjoy!
Notes
Use high-quality ingredients: The quality of your ingredients will greatly affect the flavor of your sauce. Choose a good quality ketchup, Worcestershire sauce, and oyster sauce for the best results.Adjust the sweetness and saltiness to your liking: The recipe above is just a guide, so feel free to adjust the sweetness and saltiness of the sauce to your liking. Some people prefer a sweeter sauce, while others prefer a saltier sauce.Let the flavors meld: It's important to let the sauce chill in the refrigerator for at least 30 minutes before serving. This will allow the flavors to meld together and create a more cohesive sauce.Use as a dipping sauce or drizzle it over dishes: Tonkatsu sauce is a versatile sauce that can be used as a dipping sauce for katsu or drizzled over vegetables, salads, or other dishes.Storage: Once mixed, store your homemade Tonkatsu (Katsu) sauce in an airtight container in the refrigerator. (This must be refrigerated!) In an airtight container, it can be stored in your refrigerator for up to 1 month. NOTE: Make sure to avoid dipping directly into your Tonkatsu (Katsu) Sauce container; you want to avoid any cross-contamination or crumbs in your sauce!