Jibreel came to the Prophet ﷺ and said, "Messenger of Allah, here is Khadijah coming with a vessel containing seasoning, food, or drink. When she reaches you, convey to her greetings of peace from her Lord and from me, and give her glad tidings of a house in Paradise made of hollow pearls, in which there will be no clamor and no fatigue."
أتى جبريل النبي ﷺ فقال: يا رسول الله، هذه خديجة قد أتت معها إناء فيه إدام أو طعام أو شراب، فإذا هي أتتك، فاقرأ عليها السلام من ربها ومني، وبشرها ببيت في الجنة من قصب، لا صخب فيه ولا نصب.
Bukhari narrated it in the Merits of the Ansar (3820), and Muslim in the Merits of the Companions (2432), both by way of Muhammad bin Fudayl, from Umara, from Abu Zura, who said, I heard Abu Hurairah say, and then he mentioned it.