Recipes are rated from 1 to 5 forks, with 1 fork being the easiest and 5 forks the most challenging.
This sauce is great for topping steamed vegetables or noodles. It is also perfect for Okonomiyaki, which you can find the recipe here... Okonomiyaki recipe
Combine all ingredients in a medium bowl and whisk until fully combined.
Refrigerate in a sealed container until ready to use. The sauce will keep for several weeks if refrigerated in a sealed container.
Optional method for a thicker sauce:
For a thicker sauce, combine the optional cornstarch and cold water in a separate bowl and whisk to combine. Add the cornstarch mixture along with all other ingredients in a small sauce pan and heat over medium heat until the mixture begins to boil. Remove from the heat and let cool.