Mahabharata 13.80.35

घृतेन जुहुयादग्निं घृतेन स्वस्ति वाचयेत्घृतं प्राशेद्घृतं दद्याद्गवां व्युष्टिं तथाश्नुते

ghṛtena juhuyādagniṃ ghṛtena svasti vācayetghṛtaṃ prāśedghṛtaṃ dadyādgavāṃ vyuṣṭiṃ tathāśnute

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