It wasnarrated from Ibn 'Abbas that the Messenger of Allah (ﷺ)said:
"When food is served, take from the sides and leave the middle,forthe blessing descends in the middle." (JA)
English reference (JA): Vol. 4, Book 29, Hadith 3277 (JA)
Arabic reference (JA): Book 29, Hadith 3402 (JA)