Śatapatha Brāhmaṇa ("of a hundred paths") 9.2.2.1

9.2.2.1

pratyetyāgnim prahariṣyan | āhutīśca juhoti samidhaścādadhātyetadvā enaṃ devā eṣyantam purastādannenāprīṇannāhutibhiśca samidbhiśca tathaivainamayametadeṣyantam purastādannena prīṇātyāhutibhiśca samidbhiśca sa vai pañcagṛhītaṃ gṛhṇīte tasyokto bandhuḥ

Having returned to the (Gârhapatya) in order to take forward the fire, he offers oblations, and puts on pieces of firewood. For now that Agni was about to go forward (to the fire-altar), the gods regaled him with food, both with oblations and pieces of firewood; and in like manner does this (Sacrificer), now that he (Agni) is about to go forward, regale him with food, both with oblations and pieces of firewood. He takes (ghee) in five ladlings: the meaning of this has been explained.