Yahya related to me from Malik from Zayd ibn Aslam from IbnBujayd (formerly al-Ansari) from his grandmother that the Messenger ofAllah, may Allah bless him and grant him peace, said, "Give to thevery poor, if only a roasted hoof."
USC-MSA web (English) reference: Book 49, Hadith 8
Arabic reference: Book 49, Hadith 1681