Another Royal version of a common dish.
Jap Jae is good as prepared in many Korean restaurants. But restaurants take shortcuts such as cooking all or most of the ingredients together. In household cooking, many home cooks make the royal version in which each ingredient is prepared separately.
As with most Royal dishes, each major ingredient is prepare separately. When making this dish prepare the major ingredients one at a time, setting up all the sub-ingredients for each item so that everything is at hand and ready to add.