The Book of al-Fara' and al-'Atirah
كتاب الفرع والعتيرة
Chapter 10: If A Mouse Falls Into The Cooking Fat
Ibn ' Abbas said
" I heard Sa'eed bin Jubair say: 'The Messenger of Allah passed by a dead goat and said: "Why didn't the owners of this sheep makes use of its skin?"
Chapter 11: If A Fly Falls Into The Cooking Vessel
It was narrated from Abu Sa'eed Al-Khudri that the Prophet said
"If a fly falls into the vessel of one of you, let him dip it in,"