• Heat the vegetable oil and put the garlic. Stir-fry over medium-high heat until fragrant (about ½ minute).
• Put the fried chicken, onion and water chestnuts. Stir fry for a minute.
• Add remaining ingredients except the spring onion in the wok and season with roasted chili paste, soy sauce, tomato sauce, oyster sauce, sesame oil, sugar and salt.
• Continue stir fry around 2 - 3 minutes. Use the low heat and cook for a while. Taste it.
• Place into a dish and garnish with spring onion