Śatapatha Brāhmaṇa ("of a hundred paths") 3.9.3.24

3.9.3.24

yadvevaitāmāhutiṃ juhoti | etamevaitadyajñasya rasamabhiprastṛṇīte tamārunddhe tamapo yācati yābhya u caivaitāṃ devatābhya āhutiṃ juhoti tā evaitatprīṇāti tā asmai tṛptāḥ prītā etaṃ yajñasya rasaṃ saṃnamanti

And again why he offers this oblation: he thereby pours out (ghee) towards that sap of the sacrifice, and draws it to him, and craves it of the waters. And, indeed, he pleases those deities to whom he offers that oblation, and thus satisfied and pleased they fit that sap of the sacrifice together for him.