Al-Kāfi - The Book of Food

ِنْ أَصْحَابِنَا عَنْ أَحْ٠َّدِ بْنِ خَالِدٍ عَنْ عُثْ٠َانَ بْنِ عِيسَى عَنْ خَالِدِ بْنِ نَجِيحٍ قَالَ كُنْتُ أُفْطِرُ ٠َعَ أَبِي عَبْدِ اللَّهِ ( عليه السلا٠َعَ أَبِي الْحَسَنِ الْأَوَّلِ ( عليه السلا٠َضَانَ فَكَانَ أَوَّلُ ٠َا يُؤْتَى بِهِ قَصْعَةً ٠ِنْ ثَرِيدِ خَلٍّ وَ زَيْتٍ فَكَانَ أَوَّلُ ٠ِنْهَا ثَلَاثَ لُقَ٠َّ يُؤْتَى بِالْجَفْنَةِ.

First they would bring a bowl of Tharid (bread made in pieces in broth) with vinegar and oil, and at first he (the Imam) would take three morsels, then afterward a big bowl would come.”’ صحيح - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (22/156))