Sahih Muslim 1241
صحيح مسلم#1241SahihAnas b. Malik reported the Messenger of Allah (ﷺ) saying:When the supper is brought and the prayer begins, one, should first take food
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 5:79