Save money.
Waste nothing.
The Japanese way.

“I started this to cut a grocery bill. It turned into 712 pages.”

I grew up eating this food and I still cook it every day, but for a long time I couldn't have told you why any of it worked. My mother knew. My grandmother knew. Neither of them could explain it — they just did it, the way you don't explain how to walk.

That knowledge exists. It's in old Japanese cookbooks my mother kept, in the food-science writing our universities publish, in what the tempura cook down the street knows in his hands after forty years. It's just all in Japanese, and it's scattered across a hundred sources that no Western reader would ever find or be able to read.

I spent 6 months pulling it into one place and translating it — not just the words, but the reasoning, the why, the part that lets you actually cook. That pile is this handbook. 1,200 entries, each one telling you what it is, why it works, and what goes wrong. The waste-nothing thread running through it is the oldest part — we have a word, mottainai, for the feeling of throwing away something that still has use in it, and it goes from the temple cooking of shojin ryori down to what my grandmother did with the kombu after the dashi was made. Entry 199 turns the bonito flakes you were about to throw out into furikake that keeps three weeks in a jar. You already paid for the ingredient. Nobody told you it had a second life in it.

712 pages, $42. About three and a half cents an entry. The first month of not throwing things out covers it.