ENOfficial
He reported God’s messenger as saying, “The most excellent sadaqa consists in your satisfying a hungry stomach.”* Baihaqi transmitted it in Shu’ab al-iman. * Literally “liver.”
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَنَسٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «أَفْضَلُ الصَّدَقَةِ أَنْ تُشْبِعَ كَبِدًا جَائِعًا» . رَوَاهُ الْبَيْهَقِيُّ فِي شُعَبِ الْإِيمَانِ
sunnah.com