– 1 1/2 tablespoons cooking oil – 2 inches (5 cm) ginger, peeled and cut into thin strips – 1 small red onion, quartered – 4 pieces dried black fungus, softened in warm water for 30 minutes, then cut into bite-size pieces – 1 teaspoon fermented soy beans (taucheo) – 1 skinless & boneless chicken breast, cut into strips – 1 teaspoon oyster sauce – 1 1/2 teaspoons sweet soy sauce (kecap manis) – 1 teaspoon sugar – 2 tablespoons water – 1 stalk scallion, cut into 1 inch (2 cm) length