Heat the oil in a wok or skillet over high heat. Add the garlic, bird’s-eye chilies and green peppercorns. Stir-fry until the garlic turns golden brown and fragrant.
Add the chicken, baby corn, mushrooms, green beans, cauliflower and chilies, and stir-fry for about 5 minutes until the chicken is cooked and the vegetables are tender. Then season with the fish sa