Make the Best Sweet and Tangy Tonkatsu Sauce from Scratch in Minutes
Tonkatsu sauce (or katsu sauce) is a classic Japanese condiment that’s thick, rich, tangy, and sweet—perfect for drizzling over crispy tonkatsu pork cutlets, chicken katsu, or even dipping fries and vegetables. If you love the deep umami flavor of Japanese restaurant-style sauces, this homemade version will be your new go-to.
This easy Japanese sauce recipe requires no cooking and comes together in under 5 minutes using pantry staples. It’s often compared to a thicker, more complex version of Worcestershire sauce with a hint of sweetness and spice.
Homemade tonkatsu sauce is a must for authentic Japanese meals, and once you try it, you’ll never go back to store-bought bottles again.
INGREDIENTS
Base Sauces:
- Ketchup – for thickness and tangy sweetness
- Worcestershire sauce – adds deep umami and savory flavor
- Soy sauce – for saltiness and a touch of fermented depth
Sweeteners:
- Brown sugar – for richness and molasses flavor
- Mirin or honey – for a balanced, mild sweetness
HOW TO MAKE HOMEMADE JAPANESE TONKATSU SAUCE
- Mix the Base:
In a small bowl, whisk together ketchup, Worcestershire sauce, soy sauce, and brown sugar until smooth. - Add Sweeteners:
Stir in mirin (or honey) to balance the acidity. Adjust sweetness to taste. - Add Optional Flavors:
For a spicier or deeper sauce, add a small amount of Dijon mustard, garlic powder, or ground ginger. - Taste and Adjust:
Taste your sauce and tweak as needed—more ketchup for sweetness, more Worcestershire for depth, or more soy sauce for saltiness. - Store:
Transfer to a jar or airtight container. Chill for at least 30 minutes before serving for the best flavor.

5-Minute Homemade Tonkatsu Sauce
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
Did you make this recipe?
Please let me know how it turned out for you! Leave a comment below and tag @wokwithsam on Instagram and hashtag it #wokwithsam.