It wasnarrated from Ibn 'Umar that the Messenger of Allah (ﷺ)said:
"When food is served, eat from that which is in front of you,anddo not take from what is in front of your companion.'" (JA)
English reference (JA): Vol. 4, Book 29, Hadith 3273 (JA)
Arabic reference (JA): Book 29, Hadith 3398 (JA)