Jami` at-Tirmidhi 79
جامع الترمذي#79HasanAbu Hurairah narrated that :Allah's Messenger said: "Wudu is (required) from what fire has touched, even if it be a piece of cheese
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan
Al-AlbaniHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 1:79