Place the green beans in a medium to large microwavable bowl, add water and microwave for 7 minutes on high. Drain and set aside.
Season chicken with salt and pepper.
Heat a cast iron pan or wok to medium high heat. Add oil, garlic and ginger. Saute for few minutes the add the chicken. Cook for few minutes until no longer pink. Add the green beans, soy sauce, oyster sauce and sesame oil. Stir fry for 2 minutes. In a small bowl, combine cornstarch and 2 tablespoons of cold water. Stir until smooth and pour into the pan. Stir for 2 more minutes until slightly thickened. Serve
Recipe by The Gluten Free at https://www.theglutenfree.com/gluten-free-chicken-and-green-beans-stir-fry/