The most beloved foods to the Messenger of Allah ﷺ were tharid made from bread and tharid made from hays.
حدثنا محمد بن حسان السمتي حدثنا المبارك بن سعيد عن عمر بن سعيد عن رجل من أهل البصرة عن عكرمة
كان أحب الطعام إلى رسول الله ﷺ الثريد من الخبز والثريد من الحيس
No references are available.
[Its chain is daif] Ibn Saad narrated it in 1/393, from the hadith of Mubarak bin Saeed, transmitted through him. A man from the people of Basra, unidentified, and his mention was dropped in Mustadrak, 4/116, where Hakim graded it sahih and Dhahabi agreed with him.