It wasnarrated that Ibn 'Umar said:
"One day, the Messenger of Allah(ﷺ) said: 'I wish that we had some white bread made of brownwheat,softened with ghee, that we could eat.' A man from among theAnsarheard that, so he took some (of that food) and brought it tohim. TheMessenger of Allah (ﷺ) said: 'Where was this ghee kept?'He said:'In a container made of mastigure skin.' And he refusedto eat it." (PT)
English reference (PT): Vol. 4, Book 29, Hadith 3341 (PT)
Arabic reference (PT): Book 29, Hadith 3466 (PT)