Last Updated on 18 September, 2026 by Elby | The Tasteful Pantry
Lemongrass ginger beef stir-fry is what I make when dinner needs to be fast but I still want the kitchen to smell as though I have been planning it for hours. Fresh lemongrass, ginger, garlic and chilli are blitzed into a punchy marinade that clings to thin strips of beef, while mushrooms and capsicum bring plenty of colour and crunch. Then in goes the glossy soy sauce gravy and suddenly the wok is bubbling.
It is ready in around 25 minutes. The sauce is savoury with a little sweetness, the beef stays tender and the fresh aromatics come through properly. Serve it over steamed rice, spoon it onto noodles or go all in with my baked fried rice – a pairing approved by my readers, and quite rightly too.
The vegetables are also very willing to negotiate. Use the mushrooms and capsicum in the recipe, or swap in the stray broccoli, green beans or snow peas waiting in the crisper. Stir-fries are excellent at making a collection of slightly random vegetables look like they are meant to be there.
Ingredients For The Lemongrass Beef Stir-Fry
Beef: Rump steak has plenty of flavour and stays tender when it is sliced thinly against the grain. Sirloin or flank steak will also work. For less tender beef, a small amount of bicarb soda and a short rest can make a noticeable difference.
Lemongrass, ginger, garlic and chilli: This fresh, punchy group forms the marinade. Remove the tough outer layers from the lemongrass and use the pale lower section – the dry green ends are far too woody and will stubbornly remain that way, even after meeting the food processor. Adjust the chilli to suit your preferred level of heat.
Stir-fry sauce: Cornflour thickens the sauce, while soy sauce, brown sugar and beef stock create the savoury-sweet balance. Salt levels vary between brands, so salt-reduced stock is useful if your soy sauce is particularly salty.
Mushrooms and capsicum: Mushrooms soak up the sauce beautifully and capsicum adds sweetness and crunch. Broccoli, snow peas, beans, carrot or Asian greens are all welcome substitutes, particularly when the crisper drawer needs attention.
Shallots and sesame seeds: Scatter these over the finished beef stir-fry for freshness and a little toasted crunch. The sesame seeds are optional, but the shallots give the rich sauce a lovely fresh finish.
How To Make Lemongrass Ginger Beef Stir-Fry
Step one: Slice the beef properly.
Trim the rump and cut it against the grain into strips about half a centimetre thick. Cutting against the grain shortens the muscle fibres, so the cooked beef is easier to bite through. If the steak is sliding around under the knife, place it in the freezer for 20–30 minutes first. You are aiming for firmer, not frozen solid enough to build a small extension.
For a less tender or pre-cut beef, toss the strips with the optional bicarb soda and leave them for 10 minutes before adding the marinade. I have used this method successfully and it genuinely helps soften a budget cut. Keep the amount small and do not extend the rest beyond 15 minutes; bicarb is a useful assistant, but given too much authority it can affect the flavour and texture.
Step two: Make the aromatic marinade.
Add the prepared lemongrass, ginger, garlic, chilli and oil to a small food processor. Blend until finely chopped and almost paste-like, scraping down the bowl once if needed. It may not become completely smooth – lemongrass has opinions – but there should not be large, woody pieces.
Coat the beef thoroughly. Leave it while you prepare the remaining ingredients, ideally for at least 10 minutes. You can cover and refrigerate it overnight for a stronger aromatic flavour. Bring it out of the fridge while you finish your preparation so it loses some of its chill before cooking.
Step three: Mix the sauce before adding to the wok.
Stir the cornflour and water together until completely smooth, then mix in the brown sugar and soy sauce before gradually adding the stock. Set the bowl beside the stove. Cornflour settles as it waits, so stir the sauce again immediately before pouring it into the wok.
Step four: Get the wok properly hot.
Heat a wok or large frying pan over high heat until it is very hot. Add a little of the cooking oil, then cook the beef in two batches. Spread each batch out and leave it alone for about 20 seconds before tossing; this gives the surface a chance to brown.
Cook each batch for roughly 60-90 seconds, just until browned outside but still slightly pink within, then transfer it to a clean bowl. Do not tip all the beef in at once unless your wok is enormous. Five hundred grams of cold beef packed into an ordinary pan will release liquid, the temperature will collapse and your stir-fry will become a beef spa. Relaxing for the beef, perhaps. Not helpful for browning.
Step five: Keep the vegetables crisp.
Add the remaining oil, followed by the mushrooms. Stir-fry for 1-2 minutes until they begin to colour, then add the capsicum and cook for another minute. The capsicum should still have some bite. If you are using firmer vegetables such as carrot or broccoli, slice them thinly and add them before the capsicum so they have an extra minute or two.
Step six: Make it glossy.
Give the sauce a final stir and pour it into the wok. Let it come to a lively simmer for 1-2 minutes, stirring, until it turns glossy and lightly coats the back of a spoon. Return the beef and any juices to the pan, toss for 30-60 seconds and take the wok off the heat as soon as the beef is hot and cooked to your liking.
Do not keep simmering “just to be safe”. Thinly sliced beef goes from tender to determinedly chewy with impressive speed. The sauce will also continue to thicken for a minute after the heat is turned off.
Step seven: Serve immediately.
Scatter the beef stir-fry with sliced shallots and toasted sesame seeds, if using, and serve straight away. Stir-fry waits for nobody. Rice is excellent here because it catches the sauce, although noodles are more than capable of the job too.
What To Serve With A Quick Beef Stir-Fry
Steamed jasmine rice is the easiest option and lets the lemongrass and ginger lead. My baked fried rice makes the beef stir-fry more substantial and needs very little attention once it is in the oven.
Rice noodles, hokkien noodles or soba noodles also work. Keep the noodles fairly plain because this beef stir-fry already brings plenty of sauce and flavour. If you are building a larger family spread, add fresh cucumber, steamed Asian greens or lettuce cups inspired by my chicken san choy bow.
For more 25-minute beef dinners and fast meals with the same high-heat, try my beef and green bean stir-fry, sticky sesame beef or ginger chicken stir-fry.
Easy Beef Stir-Fry Recipe Variations
Different beef: Sirloin, scotch fillet or flank steak can replace rump. Always slice against the grain. Pre-cut stir-fry strips are convenient but vary in tenderness, so use the short bicarb treatment if they look thick or come from an unspecified cut.
Lemongrass paste: Replace the fresh stalks with prepared lemongrass paste when fresh lemongrass is unavailable. Start with a modest amount because brands vary in strength and some contain oil, sugar or salt. Taste the finished sauce before adding any extra seasoning.
No food processor: Finely grate the ginger and garlic, mince the chilli and chop the tender lemongrass core as finely as humanly possible. Give the lemongrass an extra bash with the flat side of a heavy knife first to help break down the fibres.
Vegetable clear-out: Broccoli, snow peas, green beans, baby corn, zucchini, carrot, bok choy and other Asian greens all fit easily into this stir-fry. Add firm vegetables first and leafy greens near the end. Keep the total amount sensible or cook the vegetables in batches; an overflowing wok stops frying and starts steaming.
Less heat: Remove the chilli seeds, use half a chilli or omit it. Add sliced chilli at the table so nobody has to approach dinner as an endurance event.
Gluten-free: Use certified gluten-free soy sauce or tamari and certified gluten-free stock. Check the labels every time, particularly if cooking for somebody with coeliac disease.
Beef Stir-Fry FAQs
What is the best beef for lemongrass beef stir-fry?
Rump is flavourful, easy to find and tender when thinly sliced against the grain. Sirloin, scotch fillet and flank steak also work. If using budget or pre-cut stir-fry beef, the optional bicarb-soda treatment can help tenderise it.
How do I slice stir-fry beef so it stays tender?
Look for the lines running through the meat and slice across them, not in the same direction. Aim for strips about half a centimetre thick. Chilling the beef in the freezer for 20-30 minutes makes clean, thin slices much easier.
Can I marinate the stir-fry beef overnight?
Yes. Cover it and refrigerate overnight, then take it out while you prepare the sauce and vegetables. The marinade contains no acidic ingredient that will turn the surface mushy, although the aromatics will become more pronounced.
Can I use lemongrass paste instead of fresh lemongrass?
Yes. Paste is convenient and much better than abandoning the whole dinner. Brands differ in concentration and added ingredients, so begin conservatively and check whether yours contains extra sugar, salt or oil.
Why did my beef release so much water?
The pan may not have been hot enough, the beef may have been crowded, or very wet pre-cut beef may have gone straight into the wok. Use high heat, cook the beef in two batches and allow the wok to reheat between them.
How do I stop the sauce becoming lumpy?
Mix the cornflour with cold water until smooth before adding the other sauce ingredients. Stir the mixture again immediately before it goes into the wok because the cornflour settles quickly.
Is this lemongrass ginger beef stir-fry gluten-free?
Not when it is made with ordinary soy sauce. For a gluten-free version, use certified gluten-free soy sauce or tamari and confirm that the stock is also gluten-free. Do not retain the Gluten Free diet label on the standard recipe card.
Can I add more vegetables to the beef stir-fry?
Absolutely, but avoid overloading the wok. Use around the same overall volume as the mushrooms and capsicum in the recipe, or cook extra vegetables in a separate batch. Add hard vegetables first and leafy greens last.
Can I make the beef stir-fry without chilli?
Yes. The lemongrass, ginger and garlic still give the dish plenty of flavour. Serve sliced chilli separately for anyone who wants more heat.
Feedback And More: Have you given the lemongrass ginger beef stir-fry recipe a go? I’d really love to know how it was. Select a star rating ⭐⭐⭐⭐⭐ or leave a comment below to let me know. Cheers, Elby!
If you liked this recipe, check out some of my other quick and easy stir-fry recipes. For all the latest recipes and info, follow The Tasteful Pantry on Instagram, Facebook and Pinterest.
Lemongrass Ginger Beef Stir-fry
*Note: Adjusting servings will not adjust the ‘light grey’ quantities
Ingredients
- 500 grams rump steak - trimmed and thinly sliced against the grain
Optional Tenderising
- ½ tsp bicarb soda - for less tender beef (see notes)
Marinade
- 2 stalks lemongrass - tough outer layers removed; pale lower section thinly sliced
- 30 grams ginger - roughly chopped (peeling optional)
- 2 cloves garlic - halved
- 1 red chilli - roughly chopped (see notes)
- 2 tbsp canola oil - or vegetable oil
Stir-fry Sauce
- 3 tsp cornflour
- 2 tsp cold water
- 1 tbsp brown sugar
- 2 tbsp soy sauce
- 240 ml beef stock - salt-reduced (or vegetable stock)
Stir-fry
- 1 tbsp canola oil - or vegetable oil, divided
- 100 grams mushrooms - sliced
- 1 small red capsicum - thinly sliced
- 2 shallots - spring onions, thinly sliced, to serve
- 2 tsp sesame seeds - toasted, to serve, optional
Instructions
- Cut the rump against the grain into strips approximately ½ cm thick. If using the optional bicarb soda, sprinkle it over the beef, toss well and rest for 10 minutes; do not exceed 15 minutes.
Marinade
- Place the lemongrass, ginger, garlic, chilli and marinade oil in a small food processor. Blend until finely chopped and almost paste-like, scraping down the sides if needed.
- Add the marinade to the beef and stir until thoroughly coated. Set aside for at least 10 minutes while preparing the vegetables and sauce, or cover and refrigerate overnight.
Stir-fry Sauce
- Stir the cornflour and cold water together in a small bowl until smooth. Mix in the brown sugar and soy sauce, then gradually stir in the stock. Set aside.
Stir-fry
- Heat a wok or large frying pan over high heat until very hot. Add approximately 2 teaspoons of the cooking oil. Cook the beef in two batches for 60-90 seconds per batch, tossing until browned outside but still slightly pink inside. Transfer to a clean bowl and allow the wok to reheat between batches, adding additional oil if necessary.
- Add the remaining oil and mushrooms to the wok. Stir-fry for 1-2 minutes, then add the capsicum and cook for another minute.
- Stir the sauce again, pour it into the wok and simmer for 1-2 minutes, stirring, until glossy and lightly thickened.
- Return the beef and any resting juices to the wok. Toss for 30-60 seconds, just until the beef is hot and cooked to your liking. Remove from the heat and serve immediately with sliced shallots and sesame seeds, if using.
Notes
Nutrition
*Nutrition and calorie figures are estimates only.
Coupled with the Baked Fried Rice. Very nice!
Yep, great idea. I love serving with the Baked Fried Rice as well.