Why Is Kimchi So Popular? The Depth of Flavour Created by Fermentation

Bright red, crisp, tangy, and pleasantly spicy, kimchi has become familiar far beyond Korean cuisine. Today, it is enjoyed with rice, meat dishes, noodles, and many other meals around the world.

Its appeal, however, goes far beyond heat.

The characteristic flavour of kimchi comes from a combination of vegetables, seasoning, time, and one particularly important process: fermentation.

Fermentation Creates Complexity

One of the defining features of kimchi is lactic acid fermentation.

Vegetables such as napa cabbage are salted and combined with ingredients including chilli, garlic, ginger, and other seasonings. During fermentation, naturally occurring microorganisms transform the ingredients and gradually create the acidity, aroma, and complexity associated with kimchi.

The microorganisms involved can vary depending on the ingredients, temperature, and length of fermentation, which is one reason why kimchi can develop noticeably different flavours over time.

Freshly prepared kimchi tends to taste crisp and lively, while longer fermentation often brings greater acidity and a deeper, more rounded flavour.

That changing character is part of what makes kimchi so interesting.

More Than Just Spicy

For many people, the first word associated with kimchi is simply “spicy.”

But its flavour is much more layered.

Kimchi can bring together acidity, saltiness, natural sweetness from the vegetables, aromatic notes from garlic and ginger, and the savoury depth created during fermentation.

This balance is also why kimchi pairs so well with other foods. Served alongside rice or richer dishes, its acidity and spice can add contrast and make the overall meal feel more dynamic.

Kimchi as Part of Korean Food Culture

Kimchi is not only a dish. It is deeply connected with Korean food culture and tradition.

One of the best-known examples is Kimjang, the traditional practice of preparing and sharing large quantities of kimchi, especially in preparation for winter.

Kimjang has historically involved families and communities working together, sharing ingredients, knowledge, and techniques across generations.

In 2013, “Kimjang, making and sharing kimchi in the Republic of Korea” was inscribed on UNESCO’s Representative List of the Intangible Cultural Heritage of Humanity.

This reflects the cultural significance of kimchi beyond the table: it is also connected with community, seasonality, and the transmission of culinary knowledge.

Enjoy Kimchi at ICHIZEN

At ICHIZEN Japan Restaurant, kimchi is available as one of the starters on the menu.

It can be enjoyed at the beginning of a meal, alongside rice, or together with other dishes to add a little acidity, spice, and contrast.

Sometimes, one small side dish can completely change the rhythm of a meal.

The next time you visit ICHIZEN, try adding kimchi to the table and discover the depth of flavour that fermentation can create.