مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2201
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) and the one who was riding behind him, Usamah bin Zaid, came and we gave him some of this drink. And he said: “Well done; this is the way to make it."
Musnad Ahmad 2207A saheeh hadeeth; this is a da'eef isnad]