Mongolian Beef is a popular Chinese-American stir-fry dish made with thinly sliced beef, crispy edges, and a rich, glossy sauce that’s both sweet and savory. It’s quick to make, bursting with flavor, and perfect for serving with steamed rice or noodles.

Despite its name, this dish isn’t traditionally Mongolian — it was created in modern Chinese restaurants, especially popularized in the U.S. Its bold garlic-ginger sauce and caramelized glaze make it a true crowd-pleaser.

📝 Recipe Information

⏱ Prep Time: 20 minutes

🔥 Cook Time: 10 minutes

🍽 Servings: 3–4

🥡 Cuisine: Chinese-American

🧂 Ingredients

For the Beef:

Flank steak or sirloin — 400 g (thinly sliced against the grain)

Cornstarch — ¼ cup (for coating)

Vegetable oil — for frying


For the Sauce:

Light soy sauce — 4 tbsp

Brown sugar — 3 tbsp

Water — ¼ cup

Oyster sauce — 1 tbsp

Hoisin sauce (optional) — 1 tbsp

Cornstarch slurry — 1 tbsp cornstarch + 2 tbsp water


Aromatics:

Garlic — 4 cloves (minced)

Ginger — 1 tbsp (minced)

Green onions — 4 stalks (cut into 2-inch pieces)

Sesame oil — ½ tsp (optional for aroma)

🥩 Step-by-Step Instructions

Step 1: Slice & Coat the Beef

Slice the flank steak thinly against the grain to keep it tender.

Pat dry with a paper towel to remove excess moisture.

Toss the beef slices in cornstarch until well coated. Shake off any excess.
👉 This step gives the beef its signature crispy edges when fried.

Step 2: Fry the Beef

Heat a wok or deep skillet over high heat with enough oil to shallow fry.

Add beef in batches, spreading it out so it doesn’t clump.

Fry for about 1 minute per side until golden and slightly crisp.

Remove and drain on paper towels.
👉 Don’t overcook — the beef will finish cooking in the sauce.

Step 3: Make the Sauce

In a small saucepan or bowl, whisk together soy sauce, brown sugar, water, oyster sauce, and hoisin sauce.

In a wok, heat 1 tbsp oil.

Add minced garlic and ginger, stir-fry for 30 seconds until fragrant.

Pour in the sauce mixture and bring to a simmer.

Add cornstarch slurry and stir until the sauce thickens and becomes glossy.

Step 4: Combine Beef and Sauce

Return the fried beef to the wok.

Toss to coat evenly in the sauce.

Add green onions and stir-fry for another 30 seconds.

Drizzle sesame oil for extra aroma if desired.

🍚 Serving Suggestions

Serve hot with steamed jasmine rice for a classic combo.

For a fun variation, pair it with stir-fried noodles.

Add a sprinkle of sesame seeds or chili flakes on top for extra flavor.

🌿 Pro Tips for the Best Mongolian Beef

Slice beef very thinly for tenderness. Slightly freezing it for 15 minutes helps with slicing.

Don’t skip the cornstarch coating — it gives that restaurant-style texture.

Keep the sauce slightly thick and sticky; it should cling to the beef, not run off.

Cook on high heat for that perfect caramelized flavor.

🧡 Why Everyone Loves This Dish

🍖 Tender beef with a crispy outside

🍬 Sweet-savory caramelized glaze

⚡ Fast to make — ready in under 30 minutes

🥢 Tastes just like restaurant-style stir-fry

✨ Mongolian Beef is the ultimate comfort stir-fry — rich, flavorful, and incredibly satisfying. With just a few ingredients and simple steps, you can bring this beloved takeout classic to your own kitchen!