What is the fine-grained topic of the following text: Fancier Korean restaurants will often add extra medicinal herbs and aromatics, but the home-cooked, mom-approved samgyetang that Koreans know best has six indispensable ingredients: chicken, garlic, scallions, glutinous rice, ginseng (fresh is preferred) and dried red dates (jujubes). Only return the topic.
Ingredients of traditional Korean samgyetang