Beef and Broccoli Stir-Fry

Thin-sliced flank steak gets velvety-tender in a quick cornstarch marinade, then flash-cooked with crisp broccoli in a glossy garlic-ginger sauce that beats takeout in 20 minutes flat.

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Beef and Broccoli Stir-Fry
Prep Time 20 min
Cook Time 12 min
Total Time 32 min
Servings 4 servings
Difficulty Easy

Ingredients

  • 1 pound flank steak, thinly sliced against the grain
  • 1 tablespoon cornstarch, for marinade
  • 3 tablespoons soy sauce, divided
  • 1 tablespoon shaoxing wine (or dry sherry)
  • 0.5 cup beef broth
  • 2 tablespoons oyster sauce
  • 1 teaspoon toasted sesame oil
  • 1 tablespoon brown sugar
  • 1 tablespoon cornstarch, for sauce
  • 4 cups broccoli florets
  • 3 tablespoons vegetable oil, divided
  • 1 tablespoon fresh ginger, minced
  • 3 cloves garlic, minced
  • 0.5 red bell pepper, thinly sliced
  • 2 green onions, sliced on the bias

Instructions

  1. In a bowl, toss the sliced flank steak with 1 tablespoon cornstarch, 1 tablespoon soy sauce, and the Shaoxing wine; let marinate at room temperature for 15 minutes.
  2. Meanwhile, whisk together the beef broth, remaining 2 tablespoons soy sauce, oyster sauce, sesame oil, brown sugar, and 1 tablespoon cornstarch in a small bowl to make the stir-fry sauce; set aside.
  3. Bring a pot of water to a boil, add the broccoli florets, and blanch for 90 seconds until bright green and just crisp-tender, then drain well.
  4. Heat 2 tablespoons vegetable oil in a large wok or heavy skillet over high heat until barely smoking.
  5. Add the marinated beef in a single layer and sear undisturbed for 1 minute, then stir-fry for 1 to 2 minutes more until just browned but still slightly pink in the center; transfer to a plate.
  6. Add the remaining 1 tablespoon oil to the wok, then add the ginger and garlic and stir-fry for 15 seconds until fragrant, taking care not to let the garlic burn.
  7. Add the bell pepper and cook for 1 minute, then return the blanched broccoli and seared beef to the wok.
  8. Whisk the sauce again (the cornstarch settles) and pour it into the wok, tossing everything constantly for 1 to 2 minutes until the sauce thickens to a glossy coat and the beef reaches 145 F internal temperature.
  9. Remove from heat, scatter with the green onions, and serve immediately over steamed rice.

Why You'll Love This

  • Ready in 20 minutes, faster than delivery
  • Cornstarch velveting keeps the beef silky instead of chewy
  • Restaurant-glossy sauce with pantry staples

Slicing the flank steak thinly against the grain is what makes it tender; slicing with the grain gives a tough, stringy bite.

Blanching the broccoli before stir-frying keeps it vivid green and crisp instead of dull and waterlogged.

Nutrition

Calories380
Protein30 g
Fat18 g
Carbs20 g
Fiber3 g
Sodium980 mg

Estimated per serving

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