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Overhead photo of mongolian beef with broccoli and rice in a white bowl.
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5 from 3 votes

Mongolian Beef

Mongolian Beef is tender pieces of flank steak coated in a thick and sticky sweet but mild sauce that has dinner ready in just 40 minutes!
Prep Time20 mins
Cook Time20 mins
Total Time40 mins
Course: Dinner, Main Course
Cuisine: Asian
Servings: 4 people
Calories: 356kcal



  • Coat the flank steak pieces in cornstarch. Let the meat sit in the cornstarch for 10 minutes.
  • Allow the vegetable oil to heat before laying meat in a single layer in the pan. You may need to work in batches for this and add more vegetable oil. Brown both sides of meat until cooked through, about 1 minute on each side.
  • Once the meat is cooked, set it aside and whisk the fish sauce, light brown sugar, honey, lemon juice, garlic powder, ground ginger, and cayenne pepper into the skillet. Stir frequently to prevent burning.
  • Once the sauce starts to boil, turn the heat down to let it simmer until it thickens, stirring occasionally.
  • When the sauce has thickened, add the flank steak to the sauce and then add in the scallions. Mix together well and take off heat.
  • Plate and serve over rice.


  • You may have some excess cornstarch remain in the pan between batches and this can be worked into the sauce to help thicken it. But make sure to whisk the sauce well to break up any chunks. Another option is to wipe down the pan slightly after each batch to avoid having burnt chunks of cornstarch.
  • Coat the beef quicker by putting it in a ziplock bag with the cornstarch and shaking it all together. Be sure to look through the beef to ensure it got coated well. 
  • I recommend cooking the beef in batches since it allows the pieces to brown beautifully on both sides. Try not to overcook them though since they go back into the pan later and may get a little tough. 
  • If you happen to have any leftovers, store them in an airtight container for up to 4 days in the refrigerator. It will also freeze well for up to 4 months.


Calories: 356kcal | Carbohydrates: 34g | Protein: 26g | Fat: 13g | Saturated Fat: 8g | Cholesterol: 68mg | Sodium: 1586mg | Potassium: 511mg | Fiber: 1g | Sugar: 23g | Vitamin A: 144IU | Vitamin C: 3mg | Calcium: 56mg | Iron: 2mg