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Surabaya Warung Classic · Black Beef Soup

Rawon

Rawon — street food from Jawa Timur, Indonesia
Photo: Ardhan Febriansyah / Wikimedia Commons · CC BY-SA 4.0

The soup's jet-black color comes from kluwek, a fermented nut that's actually poisonous when raw and has to be properly fermented before it's safe to cook with — and popular tradition traces a version of the dish to a 901 CE Javanese inscription, though scholars still debate whether the term actually appears in the original text.

Beef is slow-simmered in a dark, deeply savory broth colored and flavored by fermented kluwek nuts, along with lemongrass, galangal, and candlenut, then served over rice with bean sprouts, salted egg, and a spoon of chili paste. East Java's street warungs keep the broth simmering in huge pots all day.

Why it's made this way: Rawon is widely said to appear as 'rarawwan' in the 901 CE Taji Inscription from the ancient Mataram Kingdom, and it later became a Majapahit-era delicacy — a claim repeated across countless food-history sources even as some scholars dispute the inscription's exact wording.
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Part of World of Street Food — 3248 dishes from 118 countries. Something wrong here? Tell us in the comments below. Photo credits.