Aayeshah Radiyallahu 'Anha relates that while Rasulullah Saliallahu aIayhi Wasallam and six of the Sahaabah were having meals, a badawi came. He ate all the food up in two bites. Rasulullah Sallallahu 'Alayhi Wasallam said:
"If he had read 'Bismillah' it should have been sufficient for all." (DE)
English reference (DE): Book 27, Hadith 184 (DE)
Arabic reference (DE): Book 28, Hadith 193 (DE)