Directions. Whisk together the oyster sauce, sesame oil, sherry, soy sauce, sugar, and cornstarch in a bowl, and stir until the sugar has dissolved. Heat vegetable oil in a wok or large skillet over medium high heat, and stir in the ginger and garlic..Ingre.nts. pound lean beef ,cut into thin strips. tablespoon soy sauce. tablespoon sherry. tablespoons oil for high heat frying. small yellow onion ,halved and then sliced. tablespoon minced fresh garlic. tablespoon minced fresh ginger. cups fresh uncooked broccoli florets in bite sized pieces..Who needs to order takeout when you have a Chinese Beef and Broccoli recipe sourced from a Chinese restaurant? AND the secret for how .