Sahih Muslim Book 3, Hadith Number 699.

Chapter : Abrogation of the Hadith that ablution is obligatory for him who takes something cooked with the help of fire.

This Hadith is narrated by Muhammad b. ‘Amr b. Ata’ with these words: I was with Ibn ‘Abbas, and Ibn ‘Abbas saw the Apostle of Allah (may peace be upon him) doing like this, and it is also said that the words are: He (the Holy Prophet) offered prayer; and the word “people” is not mentioned.