THIS ARTICLE IS ADAPTED FROM THE SEPTEMBER 17, 2023 EDITION OF GASTRO OBSCURA’S FAVORITE THINGS NEWSLETTER. YOU CAN SIGN UP HERE. I knew I had made a mistake almost instantly. It was Christmas, and my mother and I were preparing jiu hoo char, a stir-fried dish of finely shredded jicama, cabbage, dried cuttlefish, and a host of other ingredients. Because everything must be uniformly diced into even-sized pieces, the preparation can take a few hours—which is why I impatiently asked, “Do we have to cut them this way?” Cue a…