Mahabharata 13.131.17

उग्रान्नं गर्हितं देवि गणान्नं श्राद्धसूतकम्घुष्टान्नं नैव भोक्तव्यं शूद्रान्नं नैव कर्हिचित्

ugrānnaṃ garhitaṃ devi gaṇānnaṃ śrāddhasūtakamghuṣṭānnaṃ naiva bhoktavyaṃ śūdrānnaṃ naiva karhicit

Our plain-language meaning of this verse is waiting for scholar review.