Instructions
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In a medium bowl, toss the thinly sliced beef with 1 teaspoon of soy sauce and the cornstarch until evenly coated. Let it sit for 10-15 minutes while you prepare the other ingredients.
2. Prepare the Sauce:
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In a small bowl, whisk together the remaining 2 teaspoons of soy sauce, oyster sauce, hoisin sauce, cracked black pepper, and sugar. Set aside.
3. Stir-Fry the Beef:
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Heat the vegetable oil in a wok or large skillet over high heat until shimmering.
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Add the minced garlic and stir-fry for just 10-15 seconds until fragrant.
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Add the marinated beef in a single layer. Let it sear for about 30 seconds before stirring, then continue to stir-fry for 2-3 minutes until the beef is just browned and about 80% cooked through. Remove the beef from the wok and set it aside.
4. Cook the Vegetables:
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Add the green onion pieces and stir-fry for another minute.
5. Combine and Finish:
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Return the cooked beef and any accumulated juices to the wok.
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Pour the prepared sauce over everything. Toss vigorously and stir-fry for another 1-2 minutes, until the sauce thickens slightly and coats the beef and vegetables evenly.
6. Serve:
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Serve immediately over a generous bed of steamed rice.
Chef’s Tips for Success
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The Key to Tender Beef: Slicing the beef against the grain is the most important step for a tender bite. Partially freezing the steak for 30-60 minutes makes it much easier to slice thinly.
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Freshly Cracked Pepper: For the best flavor, use black peppercorns and crack them yourself just before making the sauce. Pre-ground pepper will lack the same aromatic potency.
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Customize Your Veggies: Feel free to add other quick-cooking vegetables like sliced bell peppers or snap peas along with the onions.