noun
kudzu starch
Starch made from the root of the kudzu plant, used in Japanese cooking as a thickener for sauces and sweets.
葛粉でとろみをつけたあんかけが好きです。
I like the thick sauce made with kudzu starch.
この和菓子は葛粉を使っています。
This Japanese sweet uses kudzu starch.
From 葛 (kudzu plant) and 粉 (powder/starch).