Awase Dashi - Basic Japanese Stock

Dashi is a Japanese soup stock and essential ingredient in Japanese cooking. In particular, this Awase Dashi which is combination of Katsuobushi(bonito flakes) and Kombu(kelp) is most common dashi and used in various dishes. It takes a bit work to make dashi from scratch but it worth it with the luxurious aroma and umami that you can't get with a dashi powder. Let's learn how to make awase dashi at home.

What is Awase Dashi?

Awase means "combine" in Japanese. Awase dashi use 2 ingredients which are Katsuobushi(bonito flakes) and Kombu(kelp) and this dashi is the most commonly used one. Speaking of dashi, people refer to this awase dashi in general.

Each katsuobushi and kombu include umami element and dashi can be made from it separately, but when these are combined together, umami synergy happens and the umami element will double. This is the great things about awase dashi.

The dashi made from scratch brings a deep umami and rich aroma and makes everyday dishes more delicious. It is very simple and easy to make it, so try it out time to time and enhance your Japanese dishes.

Katsuobushi (Bonito Flakes)

Katsuobushi is a dried fermented fish product and usually sold as flakes. If you love Japanese food, you already had it as it's used in so many dishes like soba or udon noodles, filling for onigiri(rice ball), toppings for salad, rice bowl, okonomiyaki and so on. It's one of important basic ingredients for Japanese cooking.

There are many choices for katsuobushi from the raw material to how it's shaved. This is great article about katsuobushi which shows all the details.

There are 2 types of katsuobushi, "Arabushi" and "Karebushi". More than 80% of katsuobushi is made from "Arabushi" which production period is short and reasonable. On the other hand, "Karebushi" is more pricy so used for high end restaurants.

Katsuobushi is named differently depending of shaving type such as thin shave, thick shave, string shave etc. In general, thin shave is used for making dashi and it is also called "hana katsuo"(花かつお: flower katsuobushi).

I use hana katsuo for dashi and other dishes. It is most common katsuobushi so you can easily find it at your local store. If you don't know what to choose, pick hana katsuo.

Kombu(Kelp)

Same as katsuobushi, kombu is an important ingredient for making dashi. The main producing area is Hokkaido where is northernmost prefecture and there are different types of kombu depending on the location such as Ma Kombu, Rishiri Kombu, Hidaka Kombu.

My favorite one is ma kombu as it brings rich umami and elegant aroma. It's more pricy than other kombu but once you taste it and i think you will like the depth of umami.

I have described kombu more in Shiitake Kombu Dashi so please check this article if you wanna go deeper.

How Do I Use Awase Dashi

This awase dashi can be used for a wide range of dishes. Like i mentioned before, it is most commonly used dashi in Japanese cooking so you don't need to worry about what to do with awase dashi, just use it for any dishes like noodle soup, nimono(simmered dishes), miso soup, rice dishes. I often use dashi for takikomi gohan(seasoned rice) and dashimaki tamago(rolled egg) which is my kids's favorite dishes.

How To Make Awase Dashi

Ok, I will walk you through the making dashi steps.

1. Put 1L of water and kombu in a pan, leave for 30 minutes or more, and heat over low heat　>> By soaking in water for 30 minutes beforehand, it's easier to extract umami of kombu.
2. Take kombu out just before boiling　>> When the small bubbles come out, take out the kombu. If the kombu is brought to a boil, the slimming element of the kombu will melt out, so taking out the kombu before boiling is the key.
3. Boil over high heat and then turn it off　>> Once the kombu is out, bring it to a boil, turn off the heat.
4. Add katsuobushi and leave for 3 minutes　>> Katsuobushi fall to the bottom of the pot naturally and wait for 3 minutes.
5. Slowly pour into a strainer with kitchen paper　>> Place kitchen paper on a strainer and strain the dashi slowly.

Please taste the freshly made this soup stock. It is a delicious soup with plenty of umami, rich aroma, and luxurious taste that cannot be served with a dashi powder.

If the dashi cannot be used all at once, keep it in a refrigerator for 3 days and in a freezer for about a week. For freezing, it is convenient to put it in an ice tray then freeze it.

Eat Katuobushi and Kombu After Making Dashi

Ok, i made a awase dashi from scratch but what do i do with the left over katsuobushi and kombu? Don't worry, you are not gonna waste them. This left over is called dashigara and there is easy way to reuse them.

Dashigara's classic recipes are furikake and tsukudani. However, it is not something that you eat a lot at once, and in our case we often times couldn't finish eating them. So my recommendations is to reuse for onigiri, takikomi gohan(again!) tamagoyaki, and miso soup! Just mix dashigara in these dishes and cook instead of making another dishes like furikake or tsukudani. It's easy!

Ok, that't it for awase dashi. Hope this post help you understand how to make Japanese soup stock, awase dashi. If you have any questions or requests, feel free to make a comment in the section below! Thank you!

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