Chicken fillets are usually chicken breasts, often skinned and boned. In Hong Kong, however, 雞扒 pieces are generally chicken thighs, not breasts.
Therefore: 雞扒 -> Chicken Thigh
re: 薯條
In American English 薯條 -> French fries or Fries
In British English 薯條 -> Chips, e.g. Fish and Chips