Beef and Broccoli

Bahan-bahan (4 porsi)

• 1 pound flat iron steak,
• ¼ cup soy sauce
• ¼ cup Shaoxing wine ((Chinese rice wine) or dry sherry)
• 2 teaspoons cornstarch
• ¼ cup oyster sauce
• ⅓ cup low-sodium chicken broth
• 1 tablespoon sugar
• 1 teaspoon sesame oil
• 4 scallions, (whites finely sliced, greens cut into ½-inch (13-mm) segments on the diagonal, reserved separately)
• 3 cloves garlic, (minced)
• 1 tablespoon finely minced fresh ginger ((see note))
• 3 tablespoons vegetable oil
• 1 pound bite-size broccoli florets, (from about 1½ pounds (680 g) broccoli crowns)
• ⅓ cup water
• Rice (for serving)