Home-styleEasy 22 min serves 2

Oyster Sauce Beef Stir-Fry

Name: Oyster Sauce Beef Stir-Fry
Total time: 22 min
Yield: 2 servings
Cuisine: Home-style
Ingredients: flank steak; oyster sauce; light soy sauce; cornstarch; vegetable oil

蚝油牛肉 · háo yóu niú ròu

家庭快手版 · Home version: Family version uses tenderized flank steak and minimal cornstarch—no velveting with egg white or baking soda, just quick marination and high-heat wok sear.

My aunt in Foshan taught me this when I was 14—she’d stir-fry it while listening to Cantonese opera on the radio, always saying, 'If the wok sings, the beef is ready.' She never measured; she just knew by the sizzle and the color.

Recipe author: HǎoWèi Test Kitchen

Home-cooking research team

Reviewed by HǎoWèi editorial team · Last updated 2026-08-29

More beef recipes →Quick & Easy Comfort Food

Ingredients

flank steak牛腩肉片🛒 local250 g
oyster sauce蚝油🏮 asian2 tbsp (30 ml)
light soy sauce生抽🏮 asian1 tbsp (15 ml)
cornstarch玉米淀粉🛒 local1 tsp (3 g)
vegetable oil食用油🛒 local1 tbsp (15 ml)

flank steak: Thinly sliced across the grain, ~3 mm thick

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Saltiness

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Instructions

1In a bowl, combine beef slices, oyster sauce, light soy sauce, and cornstarch. Mix gently until evenly coated. Marinate at room temperature for 10 minutes.
轻拌，勿揉碎
🔍 Look for 10 分钟 · 10 minutes
Visual: 牛肉片泛出薄而透亮的光泽膜Beef slices glisten with a thin, glossy film
You know it's right when: 无多余汁水渗出，酱汁均匀附着于每片牛肉No pooling liquid; sauce clings to each piece
2Heat a wok or large skillet over medium-high heat until a drop of water sizzles and evaporates instantly.
水珠跳动即热
🔍 Look for Medium-high 30–60 秒 · 30–60 seconds
Visual: 水珠弹跳并1秒内消失Water droplet skitters and vanishes in under 1 second
You know it's right when: 锅面微微泛光Wok surface shimmers faintly
3Add oil, swirl to coat, then add beef in a single layer. Let sear undisturbed for 1 minute.
铺开不叠压
🔍 Look for High heat 1 分钟 · 1 minute
Visual: 牛肉边缘呈浅褐色，略卷起Edges of beef turn light brown and begin to curl slightly
You know it's right when: 持续滋滋声，无油烟Sustained sizzling without smoke
4Flip beef and stir-fry for another 1–1.5 minutes until just cooked through but still tender.
断生即停
🔍 Look for High heat 1–1.5 分钟 · 1–1.5 minutes
Visual: 牛肉整体呈浅褐灰色，无粉红色Beef turns uniformly light brown-gray with no pink visible
You know it's right when: 表面水分完全收干Surface moisture has fully evaporated
5Turn off heat immediately. Transfer to a plate and serve hot with steamed rice.
余热会继续加热
🔍 Look for 即刻 · immediately
Visual: 牛肉堆上方持续升腾热气Steam rises steadily from the beef pile
You know it's right when: 锅中不再有滋滋声No further sizzling in pan

Tips

· Use flank steak—not sirloin—for authentic tenderness and chew.
· Do not over-marinate: >15 min makes beef mushy.
· For extra umami, add ½ tsp sesame oil (toasted) at the end.

Sources & references

Quantities, technique notes, and substitution ratios are cross-checked against established Chinese cookery references and standard food-science sources.

Read our editorial policy
Fuchsia Dunlop, Land of Plenty: A Treasury of Authentic Sichuan Cooking
USDA FoodData Central — ingredient nutrition and portion data
Traditional Chinese family-kitchen practice and regional taste records

Common questions

Is there a vegan substitute for oyster sauce?

Yes — 'mushroom oyster sauce' (often labeled vegetarian/vegan) is sold in most Asian grocers and increasingly in mainstream supermarkets. It behaves 1:1 and adds the same glossy umami. Watch labels if you're also gluten-free; most brands are GF, some aren't.

Source: HǎoWèi substitution engine

What is velveting and why do it?

Velveting = coating meat in cornstarch (sometimes egg white + a splash of wine/soy) before cooking. The starch forms a protective layer that seals in juices and prevents the meat from drying out at high heat. This is the secret to restaurant-smooth beef in dishes like beef & broccoli. At home: 1 tbsp cornstarch + 1 tbsp water (or soy/wine) per 250 g meat, rest 10 min, then stir-fry.

Source: HǎoWèi technique guide

What's the difference between light and dark soy sauce?

Light soy (生抽) is the everyday salty seasoning — thin and salty, used in most recipes. Dark soy (老抽) is thicker, darker, slightly sweet, and used mostly for color (braises, fried rice). If you only buy one, get light soy. For dark soy's color: 1 tbsp light soy + a pinch of sugar + a few drops of molasses.

Source: HǎoWèi pantry guide