Neua Pad Nam Man Hoi (Beef in Oyster Sauce)

Known in Thai as neua pad nam man hoi, beef in oyster sauce is a fast wok dish that relies on high heat, thinly sliced beef and a short cooking time for its tenderness. The sauce is glossy and deeply savoury, with oyster sauce bringing rounded umami, light soy sauce adding saltiness and a small amount of sugar softening the edges. Garlic and spring onion give the stir-fry its fresh aromatic lift, while jasmine rice makes it a complete, everyday meal. A squeeze of lime at the table is optional but useful, cutting through the richness and brightening the beef.
Cuisine style Thai home-style stir-fry
Flavor profile Savoury • Umami-rich • Lightly tangy
Techniques Stir-frying • Boiling rice
Key equipment Wok or large frying pan
Cooking style Minimal cleanup
Time commitment Under 30 minutes

Why this recipe works

  • Fast, high-heat cooking: Thinly sliced beef cooks in minutes, keeping the stir-fry quick enough for a weeknight dinner.
  • Simple but savoury sauce: Oyster sauce, light soy sauce and a little sugar create a glossy coating with saltiness, sweetness and deep umami.
  • Classic stir-fry method: A very hot wok helps the beef sear quickly while the garlic and spring onion perfume the oil.

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Timing notes

  • Prep before the wok heats: The stir-fry itself moves quickly, so slice the beef, mix the sauce and separate the spring onion whites and greens before cooking.
  • Serve straight away: This dish is best eaten as soon as the beef is coated and glossy, before residual heat starts to toughen the meat.

Common mistakes

  • Avoid overcrowding: Keep the beef in a single layer where possible so it sears rather than releases liquid and stews.
  • Do not overcook the beef: Remove the stir-fry from the heat once the beef is just cooked through; extra time in the wok can make it chewy.
  • Keep the garlic pale: Garlic only needs a short fry at the start. If it browns too much, it can turn bitter.

Ingredient notes

  • Choose a quick-cooking cut: Sirloin stays tender when sliced thinly; flank steak also works but gives a slightly chewier stir-fry texture.
  • Mind the saltiness: Oyster sauce and light soy sauce both bring salt, so taste before adding any extra seasoning at the table.
  • Use lime to finish: A squeeze of lime cuts through the savoury sauce and makes the finished dish taste brighter.

Equipment you'll need

Ingredients
Instructions
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  1. Cook the jasmine rice in a saucepan of boiling water until tender, about 10–12 minutes, then drain well in a colander. Keep warm while you cook the stir-fry.
  2. Slice the beef thinly against the grain. Finely slice the garlic, and slice the spring onions, keeping the white and green parts separate.
  3. In a bowl, stir together the oyster sauce, light soy sauce and caster sugar until the sugar dissolves. Cut the lime into wedges for serving.
  4. Heat a wok over high heat until very hot, then add the vegetable oil. Add the garlic and spring onion whites and stir-fry for 20–30 seconds until fragrant, keeping the garlic pale.
  5. Add the beef in a single layer and stir-fry for 1–2 minutes until browned at the edges. Pour in the sauce and toss for 30–60 seconds until glossy and the beef is just cooked through.
  6. Take off the heat and fold through the spring onion greens. Serve immediately with the jasmine rice and lime wedges for squeezing over.

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Recipe notes

Serving suggestions

This recipe pairs well with:

Jasmine rice

Tips

  • For the most tender result, slice the beef as thinly as you can and always cut against the grain.
  • Get the wok properly hot before adding the oil so the beef sears quickly rather than stews.
  • If serving anyone who is pregnant, elderly, or immunocompromised, cook the beef until well done.

Substitutions

  • Replace Beef sirloin steak with Beef flank steak for a slightly chewier, more traditional stir-fry texture.
  • Replace Light soy sauce with Dark soy sauce for a deeper colour and slightly sweeter flavour.
  • Replace Lime with Lemon if that is what you have; it will be a little less aromatic but still bright.

Storage

  • Refrigerate up to 2 days
  • Cool quickly and refrigerate in an airtight container. Reheat the beef gently in a hot wok or frying pan with a small splash of water until piping hot; avoid overcooking or it will toughen. Store rice separately and reheat until piping hot.

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Neua Pad Nam Man Hoi (Beef in Oyster Sauce)
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Recipe overview

  • Servings: 2 servings
  • Total time: 25min (20min active)
  • Difficulty: Easy
  • Cuisine: Thai
  • Allergens:
    Molluscs Soybeans
Beginner friendly With serving suggestions Kid friendly

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