She brought to the Messenger of Allah ﷺ a roasted side of meat, and he ate from it, then got up to pray without performing ablution.
حدثنا الحسن بن محمد الزعفراني حدثنا حجاج بن محمد قال قال ابن جريج أخبرني محمد بن يوسف أن عطاء بن يسار أخبره أن
أنها قربت إلى رسول الله ﷺ جنبا مشويا فأكل منه ثم قام إلى الصلاة وما توضأ
Sourcing, its chain of transmission is sahih. Ahmad recorded it in 6/307 from the hadith of Ibn Jurayj through this same chain. This hadith has very many routes of transmission.On this topic there is also a report from Abdullah bin Harith bin Juz Zubaydi [Tirmidhi in Shamail, no. 164], and from Mughira [also, no. 165], and from Abu Rafi [Muslim, no. 357].