Riyad as-Salihin 746
Anas (May Allah be pleased with him) reported:
I saw Messenger of Allah (ﷺ) eating some dates while sitting on his buttocks, with his legs raised. [Muslim] .
وعن أنس رضى الله عنه قال‏:‏ رأيت رسول الله صلى الله عليه وسلم جالساً مقعياً يأكل تمراً.‏ ‏‏((رواه مسلم))‏