You will need to begin this recipe a day ahead.
Note Virgin black sesame oil, 10-year aged Korean soy sauce, Korean green rice, soy seasoned nori and compressed layered konbu are available from Korean grocers and online from Melbourne-based Korean food specialist Table181. If unavailable, substitute regular sesame oil, regular soy sauce and good nori. There is no substitute for green rice or compressed konbu. Kabu turnips and golden orach are available from Johnstone Farmer, Hawkesbury, NSW. If they're unavailable, substitute regular turnips and baby spinach. Maple chips are available from selected online smoking chip suppliers. Glutinous rice flour is available from Asian food stores. Raw buckwheat kernels are available from health-food stores. If you don't have a smoker, you can cold-smoke in your oven, but you will need to keep the chips smoking for longer.