heat oil in a wok, add finely chopped garlic ,saute well.you will get a pleasant aroma of garlic.then add onion. saute well till onion become transparent(do not over fry onion)then add finely cut capsicum, saute for a minute then add chopped celery and 1/2 of the spring onion.saute well then add all sauces.check salt consistency, add salt if needed.