Half a pound of cooked chicken meat, or one or two skinless boneless chicken breasts One pint of chicken stock, or one chicken stock cube One tablespoon of Thai fish sauce, or one fish stock cube (optional) One stick of lemongrass (fresh or preserved) Two dried Kaffir Lime leaves Three or four chopped spring onions Two (or more!) red birdseye chillis Five or six halved button mushrooms (optional) One tablespoon dried coriander leaves Two ounces creamed coconut One teaspoon cornflour (optional)