3-Ingredient Tonkatsu (Katsu) Sauce Recipe
When you want that perfect tangy-sweet punch to complement your crispy pork cutlets or any katsu dish, nothing beats the charm of a homemade sauce made in minutes. This 3-Ingredient Tonkatsu (Katsu) Sauce is a revelation—combining just ketchup, soy sauce, and Worcestershire sauce to create a flavor-packed, umami-rich sauce that perfectly mirrors the iconic Bulldog Tonkatsu sauce from Japan. In only a minute, you’ll have a delectable, versatile sauce ready to elevate your meals with its balanced zing and depth.
Ingredients You’ll Need

Ingredients You’ll Need
Getting the sauce just right depends on a handful of simple, pantry-friendly ingredients that each shine in their unique way. These essentials come together to deliver a vibrant, savory-sweet sauce that’s robust and satisfying without any fuss.
- Ketchup: Provides a sweet tomato base with rich, tangy undertones that form the heart of the sauce.
- Worcestershire Sauce: Adds complexity with its tangy, slightly spicy, and savory notes—a must for authentic flavor.
- Soy Sauce: Brings salty depth and umami, balancing sweetness and enhancing overall taste.
- Sugar (optional): Adjusts sweetness if you like a more luscious, mellow touch.
- Garlic and Onion Powder (optional): These subtle spices kick the flavor up a notch for a closer copycat of Bulldog sauce.
How to Make 3-Ingredient Tonkatsu (Katsu) Sauce
Step 1: Combine the Base Ingredients
Start by pouring ¼ cup of ketchup into a small bowl. Add 2 ½ tablespoons of Worcestershire sauce and 1 tablespoon of soy sauce. These three ingredients are the star players, working together beautifully to give you that perfect balance of sweet, tangy, and savory flavors in every spoonful.
Step 2: Adjust for Your Taste
Take a moment to taste your mixture. If you prefer a sweeter sauce, stir in about ½ tablespoon of sugar, little by little, until it suits your palate. This is the magic that allows you to tailor the sauce exactly how you like it—whether more tangy or gentler in sweetness.
Step 3: Optional Flavor Boost
For those who want to mimic the iconic depth of Bulldog Tonkatsu sauce, add a small pinch (around ⅛ teaspoon) of garlic and onion powder. This step is subtle but it adds an irresistible savory dimension that makes your homemade sauce feel truly special.
How to Serve 3-Ingredient Tonkatsu (Katsu) Sauce
Garnishes
While the sauce shines on its own, you can elevate presentation and taste by pairing it with finely shredded cabbage or slivers of green onion. These garnishes add crunch and freshness, providing a pleasant contrast to the rich, tangy sauce.
Side Dishes
This versatile sauce is a fantastic companion not only to classic pork or chicken katsu but also to crispy tofu, tempura veggies, or even as a dip for fries. Pair it alongside steamed rice and miso soup for an authentic Japanese-inspired meal that’s balanced and satisfying.
Creative Ways to Present
Pour your 3-Ingredient Tonkatsu (Katsu) Sauce into small dipping bowls for individual servings or drizzle it generously over a katsu sandwich. Trying it as a glaze on grilled meats or roasted vegetables can bring new life to your weeknight dinners. The possibilities truly are endless!
Make Ahead and Storage
Storing Leftovers
Your freshly made tonkatsu sauce keeps wonderfully when stored in an airtight container in the refrigerator. It will stay fresh and flavorful for up to two weeks, making it easy to have this delicious condiment ready whenever the craving strikes.
Freezing
This sauce is best enjoyed fresh or chilled—freezing is not recommended as it can alter the texture and flavor of the ketchup-based sauce. Stick to refrigeration for optimal taste and consistency.
Reheating
Since the sauce is typically served cold or at room temperature, reheating is rarely needed. Just give it a quick stir if separated and serve directly. If you prefer it warmed, gently heat in a microwave-safe container for a few seconds, but avoid boiling.
FAQs
Can I make this 3-Ingredient Tonkatsu (Katsu) Sauce vegan?
Absolutely! Just make sure to use a vegan Worcestershire sauce, as regular Worcestershire sauce often contains anchovies. This swap keeps the sauce plant-based without sacrificing flavor.
Is it possible to make this sauce thicker?
If you want a thicker sauce, try gently simmering the mixture on low heat until it reduces slightly. Alternatively, mix in a tiny bit of cornstarch slurry, but it’s delicious as is for dipping or drizzling.
How long does the sauce last in the fridge?
Stored properly in an airtight container, the sauce will last up to two weeks. Always give it a sniff and a quick taste before use to ensure it’s still fresh.
Can I use this sauce for other dishes besides tonkatsu?
Definitely! It’s great as a dipping sauce for fries, a glaze for grilled chicken or tofu, and even as an interesting salad dressing when thinned with a bit of rice vinegar or lemon juice.
Do I have to add the optional sugar and powders?
Nope! The core 3-ingredient sauce is fantastic on its own. The sugar and powders are just little touches to tailor sweetness and flavor depth to your liking.
Final Thoughts
Making your own 3-Ingredient Tonkatsu (Katsu) Sauce is one of those simple joys that brings authentic Japanese flavor right into your kitchen with minimal effort. Whether you’re pairing it with crispy katsu or experimenting with creative dishes, this quick recipe delivers big on taste and convenience. Trust me, once you try making this sauce at home, you’ll wonder how you ever lived without it!
