The Messenger of Allah ﷺ said... While the Messenger of Allah ﷺ was having lunch at Marr al-Zahran along with Abu Bakr and Umar, he said, "The lunch is being sent."
أخبرنا عمران بن يزيد قال حدثنا محمد بن شعيب قال أخبرني الأوزاعي عن يحيى أنه حدثه
أن رسول الله ﷺ قال بينما رسول الله ﷺ يتغدى بمر الظهران ومعه أبو بكر وعمر فقال الغداء مرسل
[Its chain is daif due to its being mursal] See the previous hadith. It is also found in Kubra, hadith no. 2573.