Cornstarch in Japan: what it's called and where to buy it
Cornstarch is コーンスターチ on the baking shelf. For thickening sauces and coating fried food, Japanese cooks use 片栗粉 (potato starch), which is cheaper and everywhere.
Look for this on the label
コーンスターチ
kōn sutāchi
片栗粉
katakuriko · potato starch