Wash the Spinach thoroughly and remove all the stems. Drain well. Heat the oil in a large wok, add the onions and fry for 30 seconds. Add the Spinach and stir-fry for about 2 min, until the leaves are coated
in the oil and leaves wilted. Add the soy sauce, sugar, salt and garlic and continue stir-frying for 3 min. Pour off any excess liquid. Transfer to a warmed serving dish and sprinkle with sesame seeds.