Pound garlics, black peppercorns and coriander seed thoroughly. Put it in the bowl with the chicken things. Add soy sauce, oysters sauce, salt and crispy flour. Stir to mix it, chill for 20 minutes.

Heat the pan, put grape seed oil. Add chicken things, fry on the medium heat until turn to golden brown. Scoop it up, drain and place on the serving plate sprinkle with fried garlic and garnish with the coriander leaves. Serve with sweet chilies sauce.