kudzu starch noodles
A type of Japanese noodle made from kudzu (arrowroot) starch, often served cold with a dipping sauce or in a sweet syrup.
When summer comes, I crave cold kudzu starch noodles.
この店の葛切りは、黒蜜をかけて食べるのがおすすめです。
At this shop, the kudzu starch noodles are recommended with brown sugar syrup.
From 葛 (kudzu, arrowroot) and 切り (cutting), referring to noodles cut from kudzu starch jelly. The exact historical origin is uncertain, but it is a traditional Japanese confectionery item.