Tom Kerridge's Podcast 2022 Episode 14: The Art of Fermentation

In this episode of the Tom Kerridge podcast, Tom talks to fermentation expert Sandor Katz about the art of fermentation. They discuss the history of fermentation, the different types of fermentation, and the health benefits of fermented foods. Sandor also shares some of his favorite fermentation recipes.

What is fermentation?

Fermentation is a process in which microorganisms, such as bacteria and yeast, break down carbohydrates into simpler substances. This process can produce a variety of products, including alcohol, carbon dioxide, and organic acids.

Fermentation has been used for centuries to preserve food and to create new flavors. Fermented foods are a good source of probiotics, which are beneficial bacteria that can help to improve gut health.

The different types of fermentation

There are many different types of fermentation, each with its own unique characteristics. Some of the most common types of fermentation include:

* Lactic acid fermentation: This type of fermentation is used to make yogurt, cheese, and sauerkraut. Lactic acid bacteria break down lactose, the sugar found in milk, into lactic acid. Lactic acid gives fermented foods their characteristic sour flavor.
* Alcoholic fermentation: This type of fermentation is used to make beer, wine, and cider. Yeast breaks down sugars into alcohol and carbon dioxide.
* Acetic acid fermentation: This type of fermentation is used to make vinegar. Acetic acid bacteria break down alcohol into acetic acid.

The health benefits of fermented foods

Fermented foods are a good source of probiotics, which are beneficial bacteria that can help to improve gut health. Probiotics can help to:

* Improve digestion
* Boost the immune system
* Reduce inflammation
* Lower cholesterol
* Fight against cancer

How to ferment food

Fermenting food is a relatively simple process. You will need a few basic ingredients, such as a starter culture, a source of carbohydrates, and a container.

The starter culture is what will introduce the beneficial bacteria to your food. You can purchase starter cultures online or at your local health food store.

The source of carbohydrates can be anything that contains sugar, such as fruit, vegetables, or grains.

The container can be anything that is airtight. You can use a glass jar, a plastic container, or even a zip-top bag.

Once you have your ingredients, you can follow these steps to ferment your food:

1. Prepare your starter culture according to the package directions.
2. Combine your starter culture with your source of carbohydrates in a clean container.
3. Seal the container and store it in a warm place for 24-48 hours.
4. Once your food has fermented, it is ready to eat.

Fermentation recipes

There are many different ways to ferment food. Here are a few of our favorite recipes:

* Sauerkraut: Sauerkraut is a fermented cabbage dish that is popular in many cultures. It is made by combining shredded cabbage with salt and allowing it to ferment for several weeks.
* Kimchi: Kimchi is a fermented Korean dish that is made with a variety of vegetables, including cabbage, radishes, and carrots. It is seasoned with a variety of spices, including gochugaru (Korean chili powder).
* Kombucha: Kombucha is a fermented tea drink that is made with black or green tea, sugar, and a SCOBY (symbiotic culture of bacteria and yeast). It is a refreshing and healthy drink that is full of probiotics.

Conclusion

Fermentation is a versatile and healthy way to preserve food and create new flavors. By following a few simple steps, you can ferment your own food at home.