Sop buntut is Indonesia's oxtail soup: meaty oxtail pieces simmered for hours into a clear, fragrant broth lightly spiced with nutmeg, clove, and pepper, then served with carrot, potato, and tomato, scattered with fried shallots and celery and a squeeze of lime. Unlike the country's coconut-rich soto, this is a clean, light-bodied consommé that lets the deep beefiness of the slow-cooked tail come through. It is regarded as a refined, slightly upscale dish, long a fixture of hotel restaurants and now widely loved. A popular variation grills the simmered oxtail before serving it in the broth.
Sop buntut belongs to Indonesia's colonial-era kitchen, where European clear soups met local spices; oxtail soup reached the archipelago through the Dutch, who in turn drew on a wider European tradition, and it was gradually seasoned with the nutmeg, clove, and pepper of the Indies. Its modern fame is closely tied to the Bogor Café at Jakarta's Hotel Borobudur, which is widely reported to have put oxtail soup on its menu in 1974 and refined a version so successful that it sold in enormous numbers and helped make the dish a national favourite. From upscale hotel dining rooms it spread to specialist restaurants and home kitchens across the country.
The broth is the star — clear and golden, light on the tongue yet profoundly beefy, with a warm whisper of nutmeg and clove and a clean peppery edge. The oxtail meat, after hours of simmering, slips off the bone in tender, gelatinous, lip-coating pieces. Soft carrot and potato sweeten the bowl, fresh tomato brightens it, and fried shallots and chopped celery add aroma and crunch on top. A squeeze of lime and a dab of chili-soy sambal at the table sharpen each spoonful. It is comforting and elegant at once.
Everything depends on the long, gentle simmer. Oxtail is collagen-rich connective tissue around well-exercised muscle; held at a bare simmer for hours, that collagen slowly hydrolyses into gelatin, which is what gives the meat its silky tenderness and the broth its faint body and lip-sticking quality without any thickener. Keeping the heat low and skimming the scum is what keeps the soup clear rather than cloudy — a vigorous boil would emulsify fat and break up particles into the liquid. Whole warm spices like nutmeg and clove are added late so their aromatic oils perfume the broth without turning bitter, and the vegetables go in near the end to stay intact.
Variations
Sop buntut bakar grills the simmered oxtail until charred before laying it in the broth, adding a smoky, caramelised note; sop buntut goreng serves the fried tail with the soup poured around or alongside. Richer versions exist too, including a creamy sop buntut and a tomato-heavy style. The same spiced clear-broth template underlies the related sop kaki (beef trotters) and various beef sops, and some cooks finish the bowl with emping crackers for crunch.
On the Palate
Where Sop Buntut sits in the Indonesian flavor cloud
Ingredients
Serves 4
How it's made
8 steps · 40 min active + 2 hours 20 min waiting
- 18 min
Blanch the oxtail pieces in boiling water briefly, then drain and rinse to remove scum.
Watch outBlanch the oxtail briefly and rinse off the scum first — this is what lets the final broth simmer clear instead of muddy.
- 25 min
Return the oxtail to a clean pot of fresh water and bring to a bare simmer.
- 35 min
Skim off any scum, then add bruised garlic, shallot, ginger, and whole nutmeg, clove, and peppercorns.
- 4150 min
Simmer gently for two to three hours until the meat is fork-tender and falling from the bone.
Watch outSimmer gently two to three hours until the meat falls from the bone — a hard boil emulsifies the fat and clouds the soup; low heat keeps it clear and coaxes the collagen to silky.
- 53 min
Season the broth with salt and a little sugar, tasting and adjusting.
- 615 min
Add chunks of carrot and potato and simmer until just tender.
- 73 min
Add tomato wedges near the end and warm through without breaking them up.
- 82 min
Ladle into bowls and finish with fried shallots, chopped celery, and a lime wedge.
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