Śatapatha Brāhmaṇa ("of a hundred paths") 4.2.5.13

4.2.5.13

sa prātaḥsavana ālabdhaḥ | ā tṛtīyasavanācrapyamāṇa upaśete sarvasminnevaitadyajñe rasaṃ dadhāti sarvaṃ yajñaṃ rasena prasajati

Having been slain at the morning feast, it continues being cooked till the evening feast; whereby he puts flavour (juice) into the whole sacrifice, imbues it with flavour.