Before the pig or turkey is placed in the imu chopped pieces of banana plant are spread over the hot rock the white juicy lining of this make a lot of steam but it can also cause a bitter taste of this plant make a lot of steam but it can also cause a bitter taste so ti leave are layer over it Finally the pig or turkey is place in the imu along with sweet potatoes pineapple plantain vegetables and even fresh fish - all wrapped in ti leaves