Man Lā Yaḥḍuruh al-Faqīh
Hadith 10054218 - وَ سُئِلَ اَلصَّادِقُ عَلَيْهِ اَلسَّلاَمُ عَنْ قَوْلِ اَللَّهِ عَزَّ وَ جَلَّ: وَ طَعٰامُ اَلَّذِينَ أُوتُوا اَلْكِتٰابَ حِلٌّ لَكُمْ
قَالَ "يَعْنِي اَلْحُبُوبَ".
Hadith.4218 - Imam Jafar ibn Muhammad Al-Sadiq (as), was asked about the saying of Allah (swt), the Almighty and Majestic:
"And the food of those who were given the Scripture is lawful for you" (Surah Al-Ma'idah, 5:5).
Imam (as) said: "It means grains."