Just as the name suggests, Yum Yum Sauce is really a yummy sauce. It is a famous Japanese Hibachi Steakhouse Sauce and if you have been to any hibachi grill house in the US, you must have seen and had this pink sauce. The homemade version of this sauce is not only easy to make, it's delicious too. Here is how to make Yum Yum Sauce.
Whisk the mayonnaise until it is smooth and creamy.
Add all the remaining ingredients and whisk well.
Refrigerate in an airtight container.
Use a whisk to mix the sauce and not an electric blender.
If tomato paste is not available, you can use tomato ketchup instead.