Japanese Kitchen Journal

Honest reviews, practical guides, and deep dives on Japanese kitchen knives, cast iron teaware, ceramic tableware, and traditional cooking tools. Made for enthusiasts, by enthusiasts.

The Complete Guide to Japanese Cast Iron Teapots (Tetsubin)

Japanese cast iron teapots — tetsubin (鉄瓶) — occupy a unique space in the tea world. They are functional brewing vessels, heirloom-quality craft objects, and arguably the most photogenic item in any kitchen. But there is also a lot of misinformation about them. This guide is researched against Japanese manufacturer specifications and government-published traditional craft documentation. What a Tetsubin Actually Is A traditional tetsubin is a cast iron kettle designed to boil water for tea. It has a cast iron body with a pouring spout, a removable lid with a knob (often copper or iron), and a handle (tsuru / 弦) that arches over the top [1]. ...

July 26, 2026 · 6 min · 1219 words · Japanese Kitchen Journal

The Complete Guide to Japanese Kitchen Knives

Japanese kitchen knives have earned a reputation as the finest cutting tools in the world. This guide covers everything you need to know — from steel metallurgy to daily care — whether you are buying your first Japanese knife or adding to a seasoned collection. Why Japanese Knives? Japanese knives differ fundamentally from Western-style knives in three ways: Harder steel — Japanese knives typically use steel hardened to 58–65 HRC versus 52–58 HRC for most German knives. This allows a much sharper edge that stays sharp longer. Thinner geometry — The blade cross-section is significantly thinner behind the edge, reducing resistance as food passes through. Different edge angles — Most Japanese knives are sharpened to 12–15° per side, compared to 20° for Western knives. The trade-off is durability: harder steel is more brittle. A Japanese knife should not be used on bones, frozen food, or hard squash. ...

July 26, 2026 · 7 min · 1329 words · Japanese Kitchen Journal