Jami` at-Tirmidhi 3839

Narrated Abu Hurairah:"I came to the Prophet (ﷺ) with some dates and said: 'O Messenger of Allah, supplicate to Allah to bless them.' So he took them and supplicated for me for blessing in them, and then said to me: 'Take them and put them in this bag of yours - or this bag - and whenever you intend to take any from it, then put your hand in it and take it, and do not scatter them all about.' So I carried such and such Wasq of those dates in the cause of Allah. We used to eat from it, and give others to eat, and it (the bag) would not part from my waist until the day 'Uthman was killed, for they had run out