Ingredients:
* 1 1/2 lb (700 g) chicken wings
* 1 tablespoon oil (preferably groundnut)
* 1 tablespoon coarsely chopped fresh root ginger
* 1 tablespoon coarsely chopped garlic
* 1/2 teaspoon salt
* 2 tablespoons dark soy sauce
* 1 tablespoon Chinese rice wine or dry sherry
* 3 tablespoons hoisin sauce
* 2 teaspoons sugar
* 2 teaspoons chilli bean sauce
* 5 fl oz (150ml)water