Asinan is a pickled (through brined or vinegared) vegetable or fruit dish, commonly found in Indonesia. Asin, Indonesian for "salty", is the process of preserving the ingredients by soaking them in a solution of salty water. Asinan is quite similar to rujak', which is usually served fresh, while asinan is preserved vegetables or fruits. Of the many types and variations of asinan in Indonesia, the most popular are asinan Betawi and asinan Bogor. Asinan can be found served in restaurant, warung and also travelling street vendor.
Asinan means salty food; in this context are vegetables or fruits. In Surabaya, this kind of dish is called sayur asin (salty vegetable).
Ingredients of asinan sayur has in common with kimchi. Their main ingredients are cabbage, cucumber, and salt. They both have the cabbage salted, but in kimchi the salting process takes longer than the process in asinan. Other ingredients includes bean sprouts, chili, and terasi.
There are two main variants: asinan sayur and asinan buah (salted vegetable and salted fruit). Asinan sayur is also called asinan Jakarta or asinan Betawi. However, according to food expert William Wongso, it doesn't guarantee the dish is original from Jakarta. It might be influenced by Indian, Chinese, Arab, Portuguese, or Dutch cuisine.