Ingredients
- flank steak: 1 pound - thinly sliced against the grain
- soy sauce: 1/4 cup - low-sodium preferred
- cornstarch: 2 tablespoons - divided
- vegetable oil: 1 tablespoon - or any neutral oil
- onion: 1 medium - sliced
- bell peppers: 2 medium - sliced, any color
- garlic: 3 cloves - minced
- ginger: 1 inch - peeled and minced
- black pepper: 1/2 teaspoon - freshly ground
Instructions
- Marinate the sliced flank steak with 2 tablespoons of soy sauce and 1 tablespoon of cornstarch. Let it sit for at least 15 minutes while preparing other ingredients.
Tip: Marinating longer enhances flavor and tenderness, but 15 minutes works well if you're short on time.
- Heat a large skillet or wok over high heat. Add vegetable oil and swirl to coat. Once hot, add the beef in a single layer, cooking in batches if necessary.
Tip: Avoid overcrowding the pan to ensure the beef sears rather than steams.
- Cook the beef for 2-3 minutes on each side until browned. Remove from the pan and set aside.
Tip: Look for a deep brown crust for maximum flavor.
- In the same pan, add onion, bell peppers, garlic, and ginger. Stir-fry for about 3-4 minutes until vegetables are slightly softened.
Tip: Maintain high heat to achieve a charred, smoky flavor.
- Return the beef to the pan. Add remaining soy sauce, cornstarch, and black pepper. Stir well to combine and coat everything in the sauce.
Tip: Stir continuously to prevent the sauce from clumping.
- Cook for an additional 2 minutes until the sauce thickens and everything is heated through. Serve hot over rice or noodles.
Tip: Garnish with scallions or sesame seeds for added texture and flavor.
Notes
- Always slice beef against the grain for maximum tenderness.
- Use a wok for best results, as it heats quickly and evenly.
- For a gluten-free version, substitute tamari for soy sauce.
- Prep Time: 15 minutes
- Cook Time: 15 minutes
- Category: Beef
- Cuisine: Asian
Nutrition
- Serving Size: 1 serving
- Calories: 350
- Protein: 25g
- Carbohydrates: 15g
- Fat: 20g
- Fiber: 3g
- Sugar: 5g
- Sodium: 800mg
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