Pinch off stem end of green beans and rinse thoroughly. Steam for 5 minutes, until beans are cooked al dente. Rinse in cold water to stop cooking.
Heat sesame oil in wok or large skillet, over medium heat. Watch that the oil doesn’t overheat! Stir drained beans into oil and toss to heat and coat thoroughly.
Add chopped crystallized ginger and cook about 1 minute more. Serve.