Sayur asem

Sayur asem or sayur asam is an Indonesian vegetable soup. It is a popular Southeast Asian dish originating from Sundanese cuisine, consisting of vegetables in tamarind soup.
The sweet and sour flavour of this dish is considered refreshing and very compatible with fried or grilled dishes, including salted fish, ikan goreng, ayam goreng and lalapan, a kind of vegetable salad usually served raw but can also be cooked, and is usually eaten with steamed rice and sambal terasi chili paste.
The origin of the dish can be traced to the Sundanese people of West Java, Banten, and the Jakarta region. It is well known to be a part of the Sundanese cuisine and the Betawi daily diet.
Earlier versions of the dish did not include corn, as it was not introduced to the Indonesian archipelago until the 16th Century.

Ingredients

Common ingredients are peanuts, young jackfruit, young leaves and unpeeled seeds of melinjo, bilimbi, chayote, and long beans; These are all cooked in tamarind-based soups and sometimes enriched with beef stock. Quite often, the recipe also includes corn.

Variants

Several variations exist, including sayur asem Jakarta, sayur asem kangkung, sayur asem ikan asin, sayur asem talas, and sayur asem kacang merah. The Karo version of sayur asem is made using torch ginger buds and, more importantly, the sour-tasting seed pods. Sayur asem rembang is a vegetable soup with a sour flavor.