It was narrated from ‘Umar that the Messenger of Allah (ﷺ) said: ‘Season (your food) with olive oil and anoint yourselves with it, for it comes from a blessed tree.”
‘Abdullah bin Sa’eed narrated that his grandfather said: “I heard Abu Hurairah say: The Messenger of Allah (ﷺ) said: ‘Eat (olive) oil and anoint yourselves with it, for it is blessed.’”