Recipes: Restaurant-style beef and broccoli

Preparation:  Preparation time: 15 mins Cooking time: 15 mins Serving: 4 Ingredients: ⅓ cup oyster sauce ⅓ cup sherry 2 teaspoons toasted sesame oil 1 teaspoon soy sauce 1 teaspoon white sugar 1 teaspoon cornstarch ¾ pound beef round steak cut into 1⁄8-inch thick strips 3 tablespoons vegetable oil, plus...