Panda Express Broccoli Beef is a popular Chinese-American dish made with tender beef and crisp broccoli in a savory sauce. The beef is marinated in a mixture of soy sauce, garlic, and ginger, then stir-fried with broccoli until tender. The sauce is made with a combination of oyster sauce, soy sauce, and cornstarch, giving it a rich and glossy texture. This dish is a delicious and satisfying option for a quick and easy weeknight dinner.