I heard'Aishah say:
"The Messenger of Allah (ﷺ) would say, whenmilkwas brought to him: 'A blessing,' or 'Two blessings.'" (JA)
English reference (JA): Vol. 4, Book 29, Hadith 3321 (JA)
Arabic reference (JA): Book 29, Hadith 3446 (JA)