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Homemade Japanese Tonkatsu sauce on tonkatsu fried chicken over white rice and cabbage slaw on the side.

5-Minute Homemade Tonkatsu Sauce

This quick homemade Tonkatsu sauce (or katsu sauce) is a Japanese classic, combining ketchup, Worcestershire sauce, and soy sauce into a rich, sweet, and tangy condiment that pairs perfectly with fried dishes like pork cutlets or chicken katsu.
Servings 4
Prep Time 5 minutes
Total Time 5 minutes

Ingredients

  • ½ cup ketchup
  • 2 tablespoons Worcestershire sauce
  • 1 tablespoon soy sauce
  • 1 tablespoon brown sugar
  • 1 tablespoon mirin or honey

Instructions

  • Combine ketchup, Worcestershire sauce, soy sauce, and brown sugar in a bowl.
  • Stir in mirin (or honey) until smooth.
  • Mix until fully combined and smooth.
  • Taste and adjust seasoning to your liking.
  • Chill for 30 minutes before serving for best flavor.

Notes

RECIPE TIPS

  • Make ahead: Tonkatsu sauce gets better as it sits. You can make it 3–5 days in advance.
  • Store in the fridge: Keep in a sealed container for up to 2 weeks.
  • Substitutes: No mirin? Use honey, maple syrup, or even a splash of apple juice.
  • Adjust sweetness: Add more ketchup or a bit of extra brown sugar to make it kid-friendly.
  • Spice it up: Add a dash of hot sauce or sriracha if you want some heat.

SERVING IDEAS

  • Drizzle over tonkatsu, chicken katsu, or tofu katsu
  • Use as a dipping sauce for Japanese croquettes (korokke) or tempura
  • Spread on sandwiches (especially katsu sando)
  • Serve with fries, onion rings, or roasted vegetables
  • Mix into stir-fries or use as a glaze for grilled meats

NUTRITION FACTS (Per 1 tablespoon serving)

  • Calories: 25 kcal (1% DV)
  • Carbohydrates: 6g (2% DV)
  • Protein: 0g
  • Fat: 0g
  • Sodium: 160mg (7% DV)
  • Sugars: 5g
Note: These are estimates and can vary based on ingredients used.
Calories: 25kcal
Course: condiment, gravy, sauce
Cuisine: Asian, Japanese
Keyword: Japanese condiment, Japanese gravy, Japanese sauce, katsu sauce, Tonkatsu sauce