What Happens When You Stop Controlling the Food?

Fermentation asks us to surrender control to microorganisms, time and nature. A Japanese fermentation educator explores what koji, miso and other living foods can teach us about patience, observation and the limits of human intervention.

YUKI

Fermentation Educator

For ten years, I worked as a chef.

I learned how to control flavor; how much soy sauce to add, which miso to use, what ingredients to combine, and how to reproduce the same delicious result again and again.

I used fermented seasonings almost every day. I knew how to cook with them.

But strangely, I didn't really know how they were made.

Then one day, I joined a miso-making workshop.

I still remember the taste of the handmade miso I tried there. It was not simply that it tasted better or different. What stayed with me was the realization that before a chef ever touches an ingredient, another kind of cooking has already been happening.

Microorganisms, enzymes, the local environment, and time had been working together long before I arrived with my knife and my ideas about what the food should taste like.

That experience changed the way I looked at food.

When Control Is No Longer the Point

As a chef, consistency is valuable.

Guests expect the dish they loved yesterday to taste just as good tomorrow. We learn to adjust, refine, and control countless variables to make that possible.

Fermentation taught me almost the opposite lesson.

You cannot simply tell microorganisms what to do.

You can choose good ingredients. You can control temperature and humidity. You can keep the environment clean and create the best possible conditions.

But then, at some point, you have to let them work.

That doesn't mean doing nothing.

In fact, I learned that letting go of control requires a different kind of attention.

You observe.

You wait.

You notice small changes.

You intervene when necessary, but you also learn when not to intervene.

Learning to Make by Letting Go

After ten years as a chef, I entered the world of fermentation.

Nearly another ten years have passed since then, and today I run a business built around fermented food.

Experiencing both sides has changed my understanding of what it means to “make” food.

A chef tries to create consistency from ingredients.

A brewer or fermenter creates the conditions in which something living can become consistent on its own.

Perhaps that is what fermentation has taught me that cooking never could:

Cooking taught me how to control flavor.
Fermentation taught me when not to.

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And now, as I look toward my next ten years, my question is no longer only how to make good fermented food.

It is how to share this way of thinking more widely; and how to make the world of fermentation more enjoyable, curious, and exciting for the people who discover it next.