Add another⅓tbsp oil to the pan or wok. Add shiitake mushrooms and cook, stir occasionally for 3-4 mins until slightly browned. Reduce to medium heat, add Lee Kum Kee Minced Garlic and minced ginger, and stir-fry for 20 secs. Return the beans to the wok and add the sauce mix. Toss and cook until the sauce thickens slightly, and the vegetables are evenly coated.