Ramayana
ज्ञात्वा तदामिषं विप्रो मानुषं भाजनं गतम् । क्रोधेन महता ऽ ऽविष्टो व्याहर्तुमुपचक्रमे ॥ 7-65-27 ॥
When the brahmin perceived that the flesh was human and that such a dish had been set before him, possessed by great wrath he began to speak.
english translation