What is the recommended Zakat-ul-Fitr according to the Hadith narrated by Abu Sa`id Al-Khudri (peace be upon him)?
 Narrated Abu Sa`id Al-Khudri:                     We used to give one Sa' of meal or one Sa' of barley or one Sa' of dates, or one Sa' of cottage cheese or one Sa' of Raisins (dried grapes) as Zakat-ul-Fitr.