There's a certain magic in the way Mongolian beef comes together—the sizzle of beef hitting a hot wok, the sweet-savory aroma of soy and brown sugar caramelizing, and that final glossy sheen that clings to every strip. It's the kind of dish that feels like a takeout treat but is secretly simple to make at home.
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For me, this recipe is about embracing the rhythm of the kitchen: a quick marinade, a fast sear, and a sauce that sings with ginger and garlic. It's the perfect weeknight escape—no fancy equipment, just a hot pan and a little patience to get that perfect char.
Whether you're cooking for a busy family or treating yourself to a solo feast, this Mongolian beef delivers that deep umami comfort. Serve it over steamed rice or noodles, and let the sauce soak into every grain. It's a little wander through flavor, right in your own kitchen.
Why You'll Love This Recipe
About the Ingredients
1.5 lbs (680g) flank steak, sliced thin against the grain
Flank steak is lean and slices beautifully; substitute with sirloin or skirt steak if needed.
1/3 cup (45g) cornstarch
Cornstarch creates that crispy coating; arrowroot powder works as a substitute.
3 tablespoons vegetable oil, divided
Use a high-smoke-point oil like canola or peanut; avocado oil is also great.
1/2 cup (120ml) low-sodium soy sauce
Low-sodium helps control saltiness; tamari or coconut aminos for gluten-free.
1/2 cup (100g) packed brown sugar
Dark brown sugar adds deeper molasses flavor; light brown works too.
1/2 cup (120ml) water
Water thins the sauce; chicken or beef broth adds extra savoriness.
1 tablespoon fresh ginger, minced
Fresh ginger is key; ground ginger can be used in a pinch but reduce to 1 teaspoon.
3 cloves garlic, minced
Use fresh garlic for best flavor; jarred minced garlic is okay in a pinch.
1/4 cup (60ml) hoisin sauce
Hoisin adds depth and sweetness; substitute with oyster sauce plus a pinch of five-spice.
1 teaspoon red pepper flakes (optional)
For heat; omit for mild or add more for extra kick.
2 green onions, sliced diagonally
For garnish and freshness; scallions are the same thing.
Cooked rice or noodles, for serving
Jasmine rice or lo mein noodles are classic; cauliflower rice for low-carb.
Tips & Tricks
- Slice the beef thinly against the grain for tenderness—freeze for 15 minutes to make slicing easier.
- Don't overcrowd the pan when searing; work in batches to get a nice crust instead of steaming.
- Whisk the sauce well before adding to the wok to ensure the sugar is fully dissolved and no lumps.
Pro Tips
Step-by-Step Instructions
1. Prep and Coat Beef
In a bowl, toss the sliced beef with cornstarch until each piece is lightly coated. This creates a crispy exterior when fried. Let sit for 10 minutes.
2. Mix the Sauce
In a small bowl, whisk together soy sauce, brown sugar, water, hoisin, ginger, garlic, and red pepper flakes (if using). Set aside.
3. Sear the Beef
Heat 2 tablespoons of oil in a large wok or skillet over high heat (400°F/200°C). Add half the beef in a single layer and cook without stirring for 1 minute until browned and crispy. Flip and cook 1 more minute. Transfer to a plate. Repeat with remaining oil and beef.
4. Caramelize the Sauce
Reduce heat to medium (350°F/175°C). Pour the sauce into the wok, scraping up any browned bits. Let it simmer and bubble for 2-3 minutes until slightly thickened and glossy.
5. Combine and Coat
Return the beef to the wok, tossing to coat every piece in the sauce. Cook for 1-2 minutes until the beef is heated through and the sauce clings to the meat.
6. Garnish and Serve
Remove from heat and sprinkle with sliced green onions. Serve immediately over rice or noodles.
Delicious Variations
Spicy Mongolian Beef
Add 1-2 tablespoons of sriracha or chili garlic sauce to the sauce for extra heat.
Vegetable Mongolian Beef
Stir-fry bell peppers, broccoli, or snap peas with the beef for added crunch and color.
Slow Cooker Mongolian Beef
Brown the beef first, then combine with sauce in a slow cooker on low for 4-6 hours for a tender version.
How to Store Mongolian Beef
Refrigerator
Store leftovers in an airtight container for up to 3 days.
Freezer
Freeze in a sealed container for up to 2 months. Thaw overnight in the fridge.
Reheating
Reheat in a skillet over medium heat (350°F/175°C) for 3-5 minutes, or in the microwave, until hot.
Frequently Asked Questions
Q: What is Mongolian beef?
Mongolian beef is a stir-fried dish with sliced beef, typically flank steak, coated in a sweet and savory sauce made with soy sauce, brown sugar, garlic, and ginger. Despite the name, it's a popular American-Chinese takeout dish, not traditionally Mongolian.
Q: How do I make Mongolian beef crispy?
To get crispy beef, coat the slices in cornstarch and sear them in batches over high heat (400°F/200°C) without overcrowding the pan. This creates a golden, crispy crust that stays crisp even after tossing in the sauce.
Q: Can I use a different cut of beef?
Yes, you can use sirloin, ribeye, or even chicken or tofu as a substitute. For best results, choose a tender cut and slice it thinly against the grain.
Q: Is Mongolian beef gluten-free?
Traditional Mongolian beef is not gluten-free because it uses soy sauce, which contains wheat. You can make it gluten-free by using tamari or coconut aminos and ensuring your hoisin sauce is gluten-free.
Q: What can I serve with Mongolian beef?
Mongolian beef is typically served over steamed rice (jasmine or brown) or noodles. For a low-carb option, serve it with cauliflower rice or alongside stir-fried vegetables.
If you loved this Mongolian beef, I'd love to hear how it turned out! Share your creation in the comments below or tag me on Instagram—let's keep the wander through flavor going. And remember, the best dishes are made with a little curiosity and a lot of love.
Mongolian Beef
Sizzling Mongolian Beef with crispy-edged flank steak, glossy ginger-garlic sauce, and a touch of heat—ready in 30 minutes.
🧂 Ingredients
- 1.5 lbs (680g) flank steak, sliced thin against the grain
- 1/3 cup (45g) cornstarch
- 3 tablespoons vegetable oil, divided
- 1/2 cup (120ml) low-sodium soy sauce
- 1/2 cup (100g) packed brown sugar
- 1/2 cup (120ml) water
- 1 tablespoon fresh ginger, minced
- 3 cloves garlic, minced
- 1/4 cup (60ml) hoisin sauce
- 1 teaspoon red pepper flakes (optional)
- 2 green onions, sliced diagonally
- Cooked rice or noodles, for serving
📋 Instructions
- 1Prep and Coat Beef — In a bowl, toss the sliced beef with cornstarch until each piece is lightly coated. This creates a crispy exterior when fried. Let sit for 10 minutes.
- 2Mix the Sauce — In a small bowl, whisk together soy sauce, brown sugar, water, hoisin, ginger, garlic, and red pepper flakes (if using). Set aside.
- 3Sear the Beef — Heat 2 tablespoons of oil in a large wok or skillet over high heat (400°F/200°C). Add half the beef in a single layer and cook without stirring for 1 minute until browned and crispy. Flip and cook 1 more minute. Transfer to a plate. Repeat with remaining oil and beef.
- 4Caramelize the Sauce — Reduce heat to medium (350°F/175°C). Pour the sauce into the wok, scraping up any browned bits. Let it simmer and bubble for 2-3 minutes until slightly thickened and glossy.
- 5Combine and Coat — Return the beef to the wok, tossing to coat every piece in the sauce. Cook for 1-2 minutes until the beef is heated through and the sauce clings to the meat.
- 6Garnish and Serve — Remove from heat and sprinkle with sliced green onions. Serve immediately over rice or noodles.
Sofia writes about minimalist travel and slow tourism, sharing itineraries that emphasize local culture and off-season visits. She believes travel is about experiences, not checklists.
