The last practice of the Messenger of Allah ﷺ was that he did not perform ablution after taking anything that was cooked with the help of fire. Abu Dawud said: This is the abridgment of the former tradition.
كَانَ آخِرُ الأَمْرَيْنِ مِنْ رَسُولِ اللَّهِ ﷺ تَرْكَ الْوُضُوءِ مِمَّا غَيَّرَتِ النَّارُ