在beef steak這個產品中，有超過4篇Ptt貼文，作者hoyumi也提到
Burger King Indonesia Concocts a New "Purple Seoul" Menu
While Burger King locations across the globe have been concocting a variety
of new innovations, over in Indonesia, the burger chain has wh...
First on the list is the Purple Seoul
Beef Burger that stacks an Australian beef patty with grated mozzarella,
purple cabbage for some crunch and long strips of K-Rashers drizzled with
Korean spicy-sweet
