Cast Iron Stir-Fried Beef and Broccoli | America's Test Kitchen

Ingredients

• 5 tablespoons oyster sauce
• 2 tablespoons chicken broth
• 1 tablespoon dry sherry
• 1 tablespoon packed light brown sugar
• 1 teaspoon toasted sesame oil
• 1 teaspoon cornstarch
• 1 (1-pound) flank steak , trimmed and sliced thin against grain into 2-inch-long pieces
• 3 tablespoons soy sauce
• 6 garlic cloves , minced
• 1 tablespoon grated fresh ginger
• 1/4 cup vegetable oil
• 1 1/4 pounds broccoli , florets cut into bite-size pieces, stalks peeled and cut 1/8 inch thick on bias
• 1 small red bell pepper , stemmed, seeded, and cut into 1/2-inch pieces
• 3 scallions , sliced on bias 1/2 inch thick