That the Prophet (ﷺ) said: "Indeed the blessing descends to the middle of the food, so eat from its edges, and do not eat from its middle."

This Hadith is Hasan Sahih. It is only known through the narration of 'Ata' bin As-Sa'ib. Shu'bah and Ath-Thawri reported from 'Ata' bin As-Sa'ib.

There is something about this topic from Ibn 'Umar.
Jami` at-Tirmidhi Book 25, Hadith 19
← Previous Hadith "My grandmother, Umm 'Asim narrated to me - and she was the slave woman of Sinan bin Salamah - she said: 'Nubaishah Al-Khair entered upon us while we were eating from a large bowl. He narrated to us that the Messenger of Allah (ﷺ) said: "Whoever eats from A Qas'ah, then licks it, the Qas'ah will seek forgiveness for him."

This Hadith is Gharib, we do not know of it except through the narration of Al-Mu'alla bin Rashid. And Yazid bin Harun and others among the A'immah reported this Hadith from Al-Mu'alla bin Rashid.

Jami` at-Tirmidhi Book 25, Hadith 18 Next Hadith → That the Messenger of Allah (ﷺ) said: "Whoever eats from these - the first time, he said garlic, then he said - garlic, onion, and leek, then let him not approach our Masjid."

This Hadith is Hasan Sahih.

He said: There are narrations on this topic from 'Umar, Abu Ayyub, Abu Hurairah, Abu Sa'eed, Jabir bin Samurah, Qurrah and Ibn 'Umar.

Jami` at-Tirmidhi Book 25, Hadith 20