It wasnarrated from Ibn Buraidah from his father, that:
The Messenger ofAllah (ﷺ) would not go out on the Day of Fitr until he had eaten,and he would not eat on the Day of Nahr (the day of sacrifice) untilhe came back.
English reference: Vol. 1, Book 7, Hadith 1756
Arabic reference: Book 7, Hadith 1828