Yahya related to me from Malik from Zayd ibn Aslam from Amr ibnSad ibn Muadh from his grandmother that the Messenger of Allah, mayAllah bless him and grant him peace, said, "O trusting women, none ofyou must consider even a roasted sheep's trotter too small to give toher neighbour."
USC-MSA web (English) reference: Book 49, Hadith 25
Arabic reference: Book 49, Hadith 1698