Improper grilling methods or seasonings. When grilling beef tongue, the grilling temperature and time will affect the flavor of beef tongue. Too high a grilling temperature or too long a grilling time will result in overcooked beef tongue, which will taste too old and produce a cashew flavor. In addition, the improper use of seasonings can also lead to the flavor of grilled beef tongue is not correct, so grilled beef tongue will have a cashew flavor.