Musannaf Ibn Abi Shayba 28:145

Jarir narrated to us, from Qabus, from his father, that a woman asked Aisha and said: "We have neighbors from the Majus (Zoroastrians), and they have a festival, so they give us gifts." She said: "As for what was slaughtered for that day, do not eat it, but eat from their trees (fruits/produce)."