Japanese Aurora Sauce is a mayo ketchup sauce that is a perfect dip for deep-fried dishes, especially Tonkatsu (Japanese deep-fried pork cutlet). It’s not only versatile but also a breeze to make with just three ingredients.

Table of Contents
What is Aurora Sauce?
Aurora sauce is originally a French sauce made by incorporating tomato purée into a basic béchamel sauce. It can be served with fish, meat, eggs, vegetables, or used as a pasta seasoning.
The Japanese simplified this recipe by blending Japanese mayo and ketchup to create their own version of Aurora Sauce.
Why this recipe works?

- Quick and Easy: This Japanese Aurora Sauce recipe requires only three ingredients and can be prepared in under five minutes.
- Versatile: This mayo-ketchup sauce has a multitude of applications. While it’s commonly used for Tonkatsu (Japanese deep-fried cutlet), it also makes a fantastic dip for various deep-fried dishes and even roasted vegetables such as butternut squash or sweet potatoes. You can use it as a delectable sauce for burgers, hot dogs, tacos, and more.
- Readily Available Ingredients: Ketchup and mayo are pantry staples found in most households, right?
Related Recipes | Use this Japanese Aurora Sauce for

Ingredients for Japanese Aurora Sauce

You only need 3 essential ingredients for this recipe:
- Ketchup: Japanese use ketchup instead of tomato puree for their version of Aurora sauce.
- Mayo: I strongly recommend using Japanese Kewpie mayo for its exceptional flavor, although you can still make the recipe with Western-branded mayo.
- Milk: This is used to thin out the sauce as needed.
Variations
- You could season the sauce with some soy sauce.
- For the vegan version, you could use vegan mayo instead.
- Enhance the flavor with some garlic powder.
- To make it spicier, add some dried chili flakes
Instructions
Simply combine all the ingredients in a bowl, and in just 3 minutes, your Japanese Aurora sauce is ready to go!

How to store
Prepare a big batch and store it in an airtight container in the fridge for 7-10 days.


Easy Ketchup Mayo Dip (Japanese Aurora Sauce)
Ingredients
- 2 tbsp Ketchup
- 2 tbsp Kewpie Mayo
- ½ tbsp Milk
Instructions
- Mix all the ingredients in a bowl, then you have your Japanese Aurora sauce in just 3 minutes.
Notes
- You could adjust the flavor of the sauce with a touch of soy sauce.
- For a vegan alternative, substitute Kewpie mayo with vegan mayonnaise.
- Elevate its flavor with a hint of garlic powder.
- For an added kick, incorporate some dried chili flakes.
Yoooo, this is just utah fry sauce.
Yes, it’s quite similar, just Japanese sometimes add soy sauce to the dip :).