Narrated Al-Bara' and Ibn Abi `Aufa: On the day of Khaibar when the cooking pots were put on the fire, the Prophet said, "Turn the cooking pots upside down."

And a place in Paradise equal to an arrow bow of one of you, is better than (the whole earth) on which the sun rises and sets."

Narrated Al-Bara and `Abdullah bin Abl `Aufa: That when they were in the company of the Prophet, they got some donkeys which they (slaughtered and) cooked. Then the announcer of the Prophet said, "Turn the cooking pots upside down (i.e. throw out the meat).