The trick for the dish is awasemiso! The specialty dish of chaduke made with yakionigiri.
In Oki area in Shimane Prefecture "yakionigiri" is called "yakimeshi." Thus "yakimeshi chaduke" is a chaduke made with "yakionigiri." Make a circle or triangle onigiri first, then season it with "kojouyumiso" a traditional seasoning of Oki, which is used like shoyu or miso, and slowly grill it. Once the onigiri is grilled, put it in a bowl, sprinkle with condiments such as nori and negi, and pour hot sencha to finish up. This is an heartwarming dish with an aroma of roasted miso.