The Culture is a fictional interstellar post-scarcity civilisation or society created by the Scottish writer Iain M. Banks and features in a number of his space opera novels and works of short fiction, collectively called the Culture series. In the series, the Culture is composed primarily of sentient beings of the pan-human variety, artificially intelligent sentient machines, and a small number of other sentient "alien" life forms. Machine intelligences range from human-equivalent drones to hyper-intelligent Minds. The Culture's economy is maintained automatically by its non-sentient machines, with high-level work entrusted to the Minds' subroutines, which allows its humanoid and drone
Youn Yuh-jung's main ingredient was bulgogi, which was available in three dishes: Bulgogi Rice, Bulgogi Noodles and a Bulgogi Burger. Prior to filming, Youn met with Lee Won-il and Hong Seok-cheon to ask for advice, and received expertise on how to operate Youn's Kitchen, including menu development and restaurant management. From the 4th episode, new items were added to the menu, such as fried dumplings and buns, egg rolls, dumplings, and ramen noodles. From the 5th episode, chicken was added.
The main dish of Youn's Restaurant was bibimbap, and there were initially three varieties: bulgogi bibimbap, spicy pork bibimbap, and vegetable bibimbap. In this season, Youn again met chef Lee Won-il and Hong Seok-chun to ask for advice and received further know-how on restaurant operations. Kimchi was also on the initial menu. From the 2nd episode, a traditional noodle dish called japchae was added. From the 3rd episode, the spicy pork bibimbap was removed and Korean fried chicken was added. From the 4th episode, ribs were added. From the 6th episode, kimchi fried rice was added.