Beef and Broccoli Servings: 4 Ingredients For the beef and marinade: 1-pound flank steak (450g, sliced 1/4 inch thick) 1/4 teaspoon baking soda (optional) 3 tablespoons water 1 1/2 teaspoons cornstarch 2 teaspoons vegetable oil 1 teaspoon oyster sauce For the sauce: 2/3 cup low sodium chicken stock (warmed) 1 1/2 teaspoons granulated sugar (or brown sugar) 1 1/2 tablespoons soy sauce