He heard the Messenger of Allah ﷺ say, "None of you eats food more beloved to Allah than what he has earned with his own hands."
حدثنا إبراهيم بن أبي العباس حدثنا بقية حدثنا بحير بن سعد حدثنا خالد بن معدان
أنه سمع رسول الله ﷺ يقول ما أكل أحد منكم طعاما أحب إلى الله عز وجل من عمل يديه
Its isnad is sahih, and Baqiyyah has explicitly stated "hadithana." Bukhari narrated it, 4/303, no. 2072 of Fath, in the chapter on Trade, on a man's earnings and his work with his own hand, as did Bayhaqi, 6/127, and Baghawi in Sharh al-Sunnah, 8/6.