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Mongolian Beef

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This easy Mongolian Beef is a delicious weeknight dinner featuring thinly sliced flank steak coated in a crispy cornstarch crust and tossed with a sweet, savory, and slightly spicy sauce. Fresh ginger, garlic, brown sugar, soy sauce, and Sriracha come together with colorful vegetables for a flavorful restaurant-style meal at home.

  • Total Time: 35 minutes
  • Yield: 4 servings 1x

Ingredients

Scale
  • 1 carrot, peeled and julienned
  • 1 red bell pepper, sliced into strips
  • 1 tablespoon unsalted butter
  • 2 tablespoons neutral oil, divided
  • 1 lb flank steak, thinly sliced against the grain
  • ¼ cup cornstarch
  • â…“ cup green onions, thickly sliced, from about 4 stalks
  • 1 teaspoon sesame seeds, optional, for garnish

For the Sauce:

  • 1 teaspoon fresh ginger, peeled and grated
  • 4 garlic cloves, peeled and grated
  • â…“ cup packed brown sugar
  • â…“ cup water
  • â…“ cup low-sodium soy sauce
  • 1 teaspoon Sriracha, or more to taste

Instructions

  1. Thinly slice the flank steak against the grain and pat it dry with paper towels. Place the steak in a bowl and toss thoroughly with the cornstarch until evenly coated.
  2. In a small bowl, whisk together the grated ginger, grated garlic, brown sugar, water, low-sodium soy sauce, and Sriracha. Set the sauce aside.
  3. Heat 1 tablespoon of neutral oil and the butter in a large skillet or wok over medium-high heat.
  4. Add the julienned carrot and sliced red bell pepper. Stir-fry for 3–4 minutes, until slightly tender but still crisp. Remove the vegetables and set aside.
  5. Add the remaining 1 tablespoon oil to the same skillet. Working in batches if necessary, add the cornstarch-coated steak in a single layer.
  6. Cook the steak for about 2–3 minutes per side, until browned and crispy. Avoid overcrowding the pan so the beef can sear properly.
  7. Return the cooked vegetables to the skillet and pour in the prepared sauce.
  8. Bring the sauce to a gentle simmer and toss everything together for 2–4 minutes, until the sauce thickens and coats the beef and vegetables.
  9. Stir in the sliced green onions and cook for another 30 seconds.
  10. Remove from the heat, garnish with sesame seeds if desired, and serve immediately with steamed rice or noodles.

Notes

  • Slice the flank steak thinly against the grain for the most tender texture.
  • Make sure the steak is well coated with cornstarch before frying to create a crispy exterior.
  • Cook the beef in batches if needed to prevent steaming and overcrowding.
  • Adjust the amount of Sriracha to make the sauce milder or spicier.
  • Low-sodium soy sauce helps control the overall saltiness of the dish.
  • Serve with steamed white rice, brown rice, or noodles for a complete meal.
  • For extra vegetables, add broccoli, snow peas, or sliced onions.
  • Author: olivia
  • Prep Time: 15 minutes
  • Cook Time: 20 minutes
  • Category: Dinner
  • Method: Stovetop
  • Cuisine: Asian-Inspired

Nutrition

  • Serving Size: 1 serving
  • Calories: 510
  • Sugar: 20 g
  • Sodium: 1050 mg
  • Fat: 25 g
  • Saturated Fat: 8 g
  • Unsaturated Fat: 14 g
  • Trans Fat: 0 g
  • Carbohydrates: 42 g
  • Fiber: 3 g
  • Protein: 35 g
  • Cholesterol: 85 mg