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