(Imām Bukhārī narrates): Muhammad bin Abdur Rahim narrated to us, he said: Sa'id bin Sulaiman narrated to us, he said: Hushaim narrated to us, he said: Ubaidullah bin Abi Bakr bin Anas informed us from Anas, may Allāh be pleased with him, that the Messenger of Allāh ﷺ would not go out for the prayer on the day of Eid al-Fitr until he had eaten a few dates.
Murajja bin Raja said: Ubaidullah narrated to me, he said: Anas narrated to me from the Prophet ﷺ, he used to eat an odd number of dates.
Reference: Sahih Al Bukhari 953