West Lake Fish in Vinegar Gravy is a traditional dish from Hangzhou, China, known for its unique flavor profile. The dish features fresh fish, typically carp, cooked in a tangy vinegar-based sauce that combines sweet, sour, and savory elements. The fish is often garnished with green onions and served hot, making it a popular choice among locals and tourists alike. The preparation of this dish highlights the culinary techniques of the Zhejiang province, where it originates. The use of vinegar not only enhances the taste but also helps to preserve the freshness of the fish, making it a delightful and memorable dining experience.