Jami` at-Tirmidhi 1097
جامع الترمذي#1097Da'ifIbn Mas'ud narrated that :The Messenger of Allah said: "Having food on the first day is was is obligatory, and having food on the second day is Sunnah, and having food on the third day is to be heard of, and whoever wants to be heard of, Allah will make him heard of
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 11:18