مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3099
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that The Messenger of Allah (ﷺ) drank some milk, then he called for - water and rinsed his mouth. Then he said: “It is somewhat greasy.”
Musnad Ahmad 3123Its isnad is saheeh, al-Bukhari (211) and Muslim (358)]