Abu Umaamah Al-Baahili Radiyallahu 'Anhu says:
"Bread made of barley was never left over in the house of Rasulullah Sallallahu 'Alayhi Wasallam". (JA)
English reference (JA): Book 24, Hadith 136 (JA)
Arabic reference (JA): Book 25, Hadith 144 (JA)