Mongolian Beef is a beloved American-Chinese classic featuring crispy strips of battered flank steak tossed in a glossy sweet-savory soy and ginger sauce. Despite the name, it has no roots in Mongolia; it was popularized in Taiwanese-American restaurants and perfected in U.S. takeout menus. Serve over steamed jasmine rice for the full takeout-at-home experience.
Prep Time15 mins
Cook Time25 mins
Total Time40 mins
Servings4
Yield4 servings
Nutrition Facts
Per serving (estimated)
- 585 kcalCalories
- 24 gFat
- 6 gSaturated Fat
- 52 gCarbs
- 2 gFiber
- 28 gSugar
- 38 gProtein
- 1480 mgSodium
- 620 mgPotassium
- 85 mgCalcium
- 4 mgIron
- 4 mgVitamin C
- 110 mcgVitamin A
Ingredients
For the Beef
- 1.5 lb flank steak, sliced thinly against the grain into 1/4-inch strips
- 1/2 cup cornstarch
- 2 large eggs, beaten
- 1/2 tsp kosher salt
- 1/4 tsp freshly ground black pepper
- 2 cups vegetable oil, for frying
For the Sauce
- 1/2 cup low-sodium soy sauce
- 1/2 cup packed light brown sugar
- 1/4 cup water
- 2 tbsp rice vinegar
- 1 tbsp hoisin sauce
- 4 cloves garlic, finely minced
- 1 tbsp fresh ginger, grated
- 1 tsp toasted sesame oil
For Finishing and Garnish
- 2 tbsp cornstarch
- 2 tbsp cold water
- 4 dried red chili peppers, optional
- 4 green onions, whites and greens separated and sliced
- 1 tbsp toasted sesame seeds
Directions
- Slice the flank steak thinly against the grain (about 1/4 inch thick); freezing the steak for 15 minutes first makes slicing easier.
- In a large bowl, toss the sliced beef with beaten eggs, salt, pepper, and cornstarch until every piece is evenly coated; let it rest for 5 minutes.
- Heat about 1/2 inch of vegetable oil in a wok or deep skillet to 350°F. Fry the beef in batches for 2 to 3 minutes until golden and crisp, then drain on a paper towel–lined plate. Do not overcrowd the pan.
- Meanwhile, whisk together the soy sauce, brown sugar, water, rice vinegar, hoisin, garlic, ginger, and sesame oil in a small bowl until the sugar dissolves.
- Drain all but 1 tablespoon of oil from the wok. Add the white parts of the green onions and dried chilies; stir-fry for 30 seconds until fragrant.
- Pour in the sauce mixture and bring it to a gentle simmer, stirring constantly for 1 to 2 minutes.
- Whisk the cornstarch with cold water to make a slurry, then stir it into the simmering sauce; cook for 60 to 90 seconds until thick and glossy.
- Return the crispy beef to the wok and toss quickly to coat every strip in the thickened sauce, working fast so the crust stays crisp.
- Remove from heat, scatter the green onion tops and toasted sesame seeds on top, and serve immediately over hot steamed jasmine rice.
Cook’s Notes
- For ultra-tender beef, slice against the grain and consider velveting with a pinch of baking soda for 20 minutes, then rinsing before coating.
- Fry in small batches so the oil temperature stays around 350°F; this keeps the crust shatteringly crisp rather than greasy.
- Make the sauce up to 3 days ahead and store it in the fridge; just whisk before adding it to the hot wok.
- For a less sweet version, reduce the brown sugar to 1/3 cup and add an extra tablespoon of soy sauce for balance.
- Serve with simple steamed broccoli or scallions stir-fried with garlic to round out the meal like classic takeout.










