Ramayana
पतत्रिणस्तस्य वपामुद्धृत्य नियतेन्द्रियः । ऋत्विक् परमसंपन्नः श्रपयामास शास्त्रतः ॥ १-१४-३६
Then the priest, one with controlled senses and rich in scriptural wealth, took up the omentum ॥ fat॥ of the horse and cooked it as per scriptures while dropping into the altar of fire to bake as a food to the celestials. ॥ 1-14-36॥
english translation
patatriNastasya vapAmuddhRtya niyatendriyaH । Rtvik paramasaMpannaH zrapayAmAsa zAstrataH ॥ 1-14-36
hk transliteration by Sanscript