the Prophet went out in Ramadan and fasted until he came to Qudaid, then a cup of milk was brought to him and he drank and broke his fast; he and his Companions. (Using translation from Nasāʾī 2287)
أَنَّ النَّبِيَّ ﷺ «خَرَجَ فِي رَمَضَانَ فَصَامَ حَتَّى أَتَى قُدَيْدًا فَأُتِيَ بِقَدَحٍ مِنْ لَبَنٍ فَشَرِبَ فَأَفْطِرَ هُوَ وَأَصْحَابُهُ»