Chicken

Mix water, soy sauce, rice vinegar, minced ginger, and minced garlic to make the sauce and set aside
Combine chicken, salt, egg whites, and starch in a bowl and toss to coat; set aside to marinate
Deep-fry the marinated chicken at 350°F until golden and drain; set aside
Add the prepared sauce to a wok, add broccoli, and bring to a boil
Whisk starch and water, then add slowly to the boiling sauce to thicken
Add the fried chicken to the wok, stir-fry 1 minute, and serve