Katakuriko (片栗粉) is a fine Japanese potato starch used as a versatile thickening agent and coating in Japanese cuisine. Unlike cornflour, it creates a smooth, glossy finish without altering the original flavour of the dish, making it a preferred choice for delicate sauces and soups. It is essential for making karaage (Japanese fried chicken), giving the chicken an incredibly light and crispy coating that remains crunchy. You can also use it to thicken gravies, stir-fry sauces, or the dashi-based broth for noodle soups like udon. For a perfect crispy coating, ensure the food item is dry before lightly dusting it with the starch. This gluten-free pantry staple is a cornerstone of Japanese cooking, valued for its ability to produce superior textures in both fried and simmered preparations. It is a fundamental ingredient for anyone looking to recreate authentic Japanese recipes at home.