Cambodian Pepper Beef (Lok Lak)

Super tender beef that’s coated in a glossy, peppery sauce – this Cambodian dish may not be as famous as Crying Tiger Beef or Steak Frites, but it deserves to be! It’s one of my favourite ways to eat sirloin steak – and it’s ready in under 30 minutes. Winner!


Cambodian Pepper Beef (Lok Lak)

15 minutes
10 minutes

500g (1 lb) sirloin/striploin steak, cut into roughly 3cm/1½ inch cubes

1 tbsp vegetable oil

1 red onion, cut into wedges

1 tomato, sliced

lettuce leaves to serve

steamed rice to serve (click here to see my recipe for how to cook rice)



1 tbsp oyster sauce

1 tbsp soy sauce

2 tsp sweet dark soy sauce

1 tsp ground Kampot pepper*

1 tsp cornflour (cornstarch)

½ tsp baking soda

2 garlic cloves, finely grated


Stir-fry sauce:

2 tbsp oyster sauce

1 tbsp soy sauce

1 tsp sugar


Dipping sauce:

3 tbsp lime juice

1 tsp ground Kampot pepper*

1 tsp sea salt

  • Step 1

    Combine the beef with all the marinade ingredients. Mix well.

  • Step 2

    Combine the stir-fry sauce ingredients. Set aside for later.

  • Step 3

    Combine the dipping sauce ingredients. Set aside until ready to serve.

  • Step 4

    Heat the vegetable oil in a wok or large frying pan over high heat. Add the beef and spread out in the pan. Sear for about half a minute and then toss. Repeat another 3 times until the beef is starting to char. Add the onions and toss through for a few seconds. Add the stir-fry sauce mixture and toss for another half a minute (for medium beef) or longer for well done. Turn the heat off and allow the beef to rest in the pan for about a minute.

  • Step 5

    In the meantime, spread the lettuce leaves out on a serving plate. Top with slices of tomato. Then top with the beef. Serve with steamed rice and the dipping sauce.

  • Notes

    – Kampot pepper is a type of peppercorn from the Kampot region of Cambodia. It has a mild, fragrant aroma and flavour. If unavailable, use half the amount of freshly ground black peppercorns.

Marion's Kitchen is for everyone who finds joy in flavour and happiness in every bite. Marion's Kitchen is for everyone who finds joy in flavour and happiness in every bite.

What our customers say

4.9 out of 5 stars (based on 11 reviews)
Very good9%

Great Recipe

March 25, 2024

I had never heard of Lok Lak Beef until I went to Phnom Penh in January, Fabulous dish, I had it in Vietnam twice too, This is a great recipe, I am turning my pals into Lok Lak fans too (good job as Kampot Peppercorns aren’t cheap but you don’t use many per dish), Good skills Marion

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Mike H


October 25, 2023

Great food

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Absolutely delicious and so easy

September 4, 2023

I had this dish in Laos and Cambodia recently. This recipe tastes just as authentic. Delicious. Easy to cook. Healthy!

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