Heat a wok or large frying pan, then add the oil. Add the garlic, spring onions and ginger and stir fry for 1 minute. Add the pork and stir fry for 2 minutes, stirring well to break up any clumps of meat.
Stir in the chilli bean sauce, soy sauce, rice wine or sherry, hoisin sauce, salt and sugar and cook for 5 minutes. Serve with noodles or rice.