Śatapatha Brāhmaṇa ("of a hundred paths") 3.9.3.13

3.9.3.13

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

And when he offers that offering, he pours out (the ghee) towards that same sap of the sacrifice (in the water) and draws it to him. And, indeed, he pleases those deities to whom he offers that offering, and thus satisfied and pleased, they fit that sap of the sacrifice together for him.