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Okayama > Hiruzen, Yubara Onsen > Mukashi Shoyu: Traditional Japanese Soy Sauce

Mukashi Shoyu: Traditional Japanese Soy Sauce

110 Years of Tradition in a Nostalgic, Everyday Seasoning

Mukashi Shoyu is a traditional soy sauce made by Katsumaru Shoyu, a long-established producer with a history spanning 110 years. The company is located in Niimi, Okayama Prefecture, a town blessed with abundant natural surroundings and a rich history. Since the Kamakura period (1185–1333), the area flourished as a manor belonging to Toji Temple in Kyoto.

Made with Simple Ingredients and Traditional Methods

This much-loved soy sauce is made using only three ingredients: whole soybeans, wheat, and salt. The mixture is left to ferment and mature naturally for a full year, allowing the flavors to develop slowly. Once fermentation is complete, the moromi mash is pressed to extract the soy sauce, which is then heat-treated for sterilization and bottled.

The result is a soy sauce with a nostalgic reddish-brown color, a deep aroma, and a rich, satisfying flavor. Its traditional production method and straightforward ingredients create the familiar taste that has made it popular for generations.

A Versatile Seasoning for Japanese Home Cooking

Mukashi Shoyu is a koikuchi-style soy sauce, the standard dark soy sauce widely used in Japanese cuisine. Its versatile flavor works well in a variety of dishes, including nikujaga (a comforting stew of meat and potatoes) and teriyaki. It is an excellent choice for adding depth and authentic Japanese flavor to everyday cooking.

A Memorable Souvenir from Okayama

The bottle features a charming retro-style design that reflects the product’s long heritage. For travelers exploring the Hiruzen Highlands and Yubara Onsen area, Mukashi Shoyu makes a distinctive souvenir and a delicious way to bring the flavors of traditional Japanese cooking home.

Information

Name
Mukashi Shoyu: Traditional Japanese Soy Sauce
Link
Official Site

Hiruzen, Yubara Onsen

Okayama