Musannaf Ibn Abi Shayba 21:445

Waki’ narrated to us, from Sufyan, from ‘Asim ibn Abi al-Najud, from Dhakwan Abu Salih, from ‘Aisha: That food was brought to her, so she said, "Add a condiment (idām) to it." They said, "And what is its condiment?" She said, "That you praise Allah for it when you have finished."