Brand: 株式会社 廣八堂 Features: Japanese sweet potato starch is commonly used as a thickening agent for sweet (wagashi) and savory dishes. Also known as katakuriko, it is a versatile ingredient used in Japanese cuisine for thickening sauces, creating a crispy coating for fried foods, and even as a gluten-free addition to baking. It can also be used to make a sweet potato paste, which can be used as a spread, filling, or topping in various desserts.