Musannaf Ibn Abi Shayba 16:171

Abu Bakr narrated to us, he said: Abdullah bin Numayr narrated to us, from Ja'far bin Burqan, from Thabit bin al-Hajjaj, he said: Aisha said: "If it was solid, then discard it and what is around it, and eat what remains. And if it was liquid, then do not eat it."