Compiled by Imam Yahya ibn Sharaf al-Nawawi
وعن أنس رضى الله عنه قال: رأيت رسول الله صلى الله عليه وسلم جالساً مقعياً يأكل تمراً. ((رواه مسلم))
I saw Messenger of Allah (ﷺ) eating some dates while sitting on his buttocks, with his legs raised.[Muslim].