烤冷面三十年：走向预制，冷面消失

Core Viewpoint - The article explores the evolution and cultural significance of "Kao Leng Mian" (grilled cold noodles) in China, highlighting its transformation from a regional delicacy to a standardized street food across the country, while reflecting on the nostalgia associated with its original form [4][5][27]. Group 1: Historical Context and Origin - Kao Leng Mian is believed to have originated in 1996 in Mishan City, Heilongjiang Province, with its definition recognized as a street food from this region [13][15]. - The dish has undergone significant changes over the years, with the original form being replaced by a standardized version that includes a flat noodle wrapped with various toppings [16][23]. Group 2: Evolution of Preparation and Consumption - The original ingredients and preparation methods have been largely forgotten, with a shift towards a more commercialized and simplified version that is easier to mass-produce [16][26]. - The modern version of Kao Leng Mian typically includes a flat noodle, egg, and various sauces, making it less region-specific and more accessible across different cities [25][26]. Group 3: Cultural Significance and Nostalgia - The article emphasizes the emotional connection many individuals have with the original Kao Leng Mian, representing a collective memory of childhood and simpler times [27][29]. - Despite the commercialization and standardization of the dish, there remains a strong sentiment among consumers for the traditional version, which is often reminisced about in social media discussions [27][29].