Malik related to me from Zayd ibn Aslam from Amr ibn Muadh al-Ashali al-Ansari that his grandmother said, "The Messenger of Allah,may Allah bless him and grant him peace, said, 'O trusting women! Letnone of you despise giving to her neighbour even if it is only aroasted sheep's trotter.'
USC-MSA web (English) reference: Book 58, Hadith 4
Arabic reference: Book 58, Hadith 1847