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Crystal clear broth, made easy

When we started learning how to cook the various Vietnamese noodle soups, one thing that was drilled into us pretty early on was the importance of getting crystal clear broth for the soups. The attention paid to this aspect of the soup borders on obsession.

It doesn’t matter if the stock is made from ox tails, pig’s bones or chicken and/or root vegetables, it is important to blanch them, bring to a quick boil, then cook for a long time at low to medium heat to avoid over boiling. Tending the broth requires constant skimming off all the solids and bubbles to make sure the broth is clear.

It’s a time consuming and laborious process. It’s very rewarding to get beautifully clear, sweet and tasty broth, but the process as a whole was intimidating. Being naturally lazy, we were overjoyed to learn about the Japanese method of making soup stock from kombu. Now kombu is a staple in our pantry and we hardly make stock the traditional Vietnamese way anymore.

Short description of the method: soak dry kombu in cold water (20g/l) overnight or at least 5 hrs. Heat the water until it begins to bubble, then remove the kombu. And there you have it, clear and sweet soup stock that is high in umami, but does not have any unpleasant effect of synthetic MSG.

My mom loves this method because it’s an easy way to prepare great tasty broth for vegetarian soups while avoiding MSG altogether. It’s a very convenient method because you don’t need to hover over a hot stove and still have clear broth for whatever soup dish you want to make. Actual cooking/work time is cut down significantly, which fits us lazy people perfectly.

There are more ways to extract umami from kombu, but they require immersion circulator and vacuum machine, so I’ll just add a link to this excellent post for you to read more if you are interested.

More information on kombu can be found here.

Happy cooking :)…let us know how you like the kombu broth in your Vietnamese noodle soups (phở, hủ tiếu, bún thang, etc.)


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Hello world!

We are excited to keep an online journal of our culinary ideas & experiments and meals we put together for friends and families.

The name of the blog refers to Limnophila aromatic, a plant commonly found in flooded rice fields, so the English common name is rice paddy herb. We love this herb for its distinctive floral flavor and its versatility. It’s an essential ingredient in “canh chua”. It’s also great in accompaniment with phở.

Even though it’s found throughout Southeast Asia, it’s only prominently used in Vietnamese cuisine, probably because of our love affair with fresh herbs. Large plates of fresh, raw vegetables and herbs are quintessentially Vietnamese edible centerpieces. Yet, this distinctive element is often overlooked in restaurants seeking to introduce Vietnamese cuisine to a wider audience. We intend for this blog to document our adventures in cooking while shedding light on other distinctive but similarly overlooked aspects of Vietnamese cuisine.