Hazrat Abu Qilabah used to instruct to perform ablution after eating something cooked on fire. On one occasion, he served nabidh to people, then called for water for ablution and made them perform ablution.

Hazrat Anas (may Allah be pleased with him) says: Perform ablution after eating dates, because there is sediment in them.

Hazrat Zuhri states that Hazrat Aisha (may Allah be pleased with her), Abu Salamah, and Umar bin Abdul Aziz used to perform ablution after eating something cooked on fire. Hazrat Zuhri also used to do the same.

Another companion says that ablution will be performed after eating something cooked on fire.

Hazrat Abdullah bin Ibrahim says that I was with Hazrat Abu Hurairah, and he performed ablution on top of the mosque. I asked him the reason for the ablution, so he replied that he had eaten pieces of butter.

Hasan says that after using something that has been touched by fire, ablution (wudu) should be performed.

Hazrat Abdullah bin Amr (may Allah be pleased with him) narrates that once people were with Hazrat Mughirah bin Shu’bah. The people ate meat and tharid, then went outside and started praying without performing ablution. Hazrat Abu Mas’ud said,“Look at them! They are praying without ablution.”