a mouse fell into some cooking fat and died. The Prophet was asked (about that) and he said: "Throw it away, and whatever is around it, and eat (the rest)."
Sunan an-Nasa'i Book 41, Hadith 37
← Previous Hadith "It reached 'Umar that Samurah had sold some wine, and he said: 'May Allah ruin Samurah! Does he not know that the Messenger of Allah said: May Allah curse the Jews, for animal fat was forbidden to them, but they rendered it.' Sufyan (one of the narrators) said: "Meaning: They melted it down."

Sunan an-Nasa'i Book 41, Hadith 36 Next Hadith → the Prophet was asked about a mouse that had fallen into some solid cooking fat. He said. "Take it, and whatever is around it, and throw it away."

Sunan an-Nasa'i Book 41, Hadith 38