Bo Luc Lac (Vietnamese Shaking Beef Sirloin Wok Stir-Fry)
Quick answer
Bo luc lac takes its name from the shaking motion that defines how the dish is cooked.
What makes this special
- Bo Luc Lac features cubes of sirloin seared quickly in a wok using a signature shaking technique.
- Wok-shaking technique sears all sides of beef cubes in seconds
- Soy-oyster glaze chars the exterior while the center stays pink
Key ingredients
Core cooking flow
- 1 Pat 300 g beef sirloin dry, then cut it into even 2.5 cm cubes.
- 2 Cut 80 g onion into large chunks and halve 1 lime so it is ready for finishing.
- 3 Heat a wok or heavy skillet over high heat for at least 2 minutes, until a light smoke appears.
Bo luc lac takes its name from the shaking motion that defines how the dish is cooked. Cubed beef tenderloin or sirloin, marinated in soy sauce, oyster sauce, garlic, and sugar, goes into a wok heated to the point of smoking. The cook shakes the wok vigorously to toss the cubes through the oil, searing each face in seconds while the tossing motion keeps steam from building up and stewing the meat. The result is a dark, caramelized crust on the outside while the center stays pink and rare. The dish emerged from Vietnamese-French fusion cooking in colonial Saigon, when Western beef cuts became available and Vietnamese cooks applied their own techniques to them. The beef is plated over watercress dressed with lime juice and cracked black pepper; the sharpness of the watercress and the acidity of the lime cut through the rich, soy-glazed exterior. A dipping sauce of salt, pepper, and lime juice accompanies the plate. The contrast between the charred, deeply savory meat and the cool raw greens beneath has kept this one of Saigon's most recognizable dishes for decades.
Instructions
Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.
- 1Season
Pat 300 g beef sirloin dry, then cut it into even 2.5 cm cubes.
Toss with 1.5 tablespoons oyster sauce, 1 tablespoon soy sauce, 1 teaspoon sugar, and 1 tablespoon minced garlic, then marinate for 20 minutes.
- 2Finish
Cut 80 g onion into large chunks and halve 1 lime so it is ready for finishing.
Just before cooking, shake excess marinade from the beef surface so the garlic and sugar brown quickly without burning.
- 3Finish
Heat a wok or heavy skillet over high heat for at least 2 minutes, until a light smoke appears.
Add oil, stir-fry the onion for 30 seconds to release aroma while keeping it crisp, then move it to a plate.
- 4Control
Return the pan to high heat and melt 1 tablespoon butter, then spread the beef in one layer.
Leave it untouched for about 30 seconds so the first side forms a deep brown crust instead of releasing liquid.
- 5Heat
Shake the wok firmly or turn the cubes with a spatula for about 2 more minutes.
Stop as soon as the outside is deeply caramelized and the centers still look pink, because extra cooking will make the beef tough.
- 6Finish
Return the onion to the pan and toss for only 30 seconds, just until it is coated in the glossy glaze.
Turn off the heat, squeeze lime juice evenly over the beef, and serve immediately while the crust is still hot.
After the steps
Pick a recipe that fits this dish.
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