Sahih Muslim Book 3, Hadith Number 693.

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

Ibn ‘Abbas reported it on the authority of Maimuana, the wife of the Apostle of Allah (may peace be upon him), that the Apostle of Allah (may peace be upon him) took (a piece of goat’s) shoulder at her place, and then offered prayer but did not perform ablution.