Sahih al-Bukhari 7399

Arabic

حَدَّثَنَا حَفْصُ بْنُ عُمَرَ، حَدَّثَنَا هِشَامٌ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ ضَحَّى النَّبِيُّ صلى الله عليه وسلم بِكَبْشَيْنِ، يُسَمِّي وَيُكَبِّرُ‏.‏

English translation

Narrated Anas:The Prophet (ﷺ) slaughtered two rams as sacrifice and mentioned Allah's Name and said, "Allahu-Akbar" while slaughtering

Reference: Sahih al-Bukhari 7399, Book of Oneness, Uniqueness of Allah (Tawheed). English translation by Dr. Muhammad Muhsin Khan.