Śatapatha Brāhmaṇa ("of a hundred paths") 3.8.3.25

3.8.3.25

atha yadyūṣpariśiṣyate | tatsamavattadhānyāmānayati taddhṛdayam prāsyati jihvāṃ vakṣastanima matasne vaniṣṭhumathopariṣṭāddvirājyasyābhighārayati

The broth which is left he pours into the Samavattadhânî, and therein he throws the heart, tongue, breast, the broad piece (of the back part), the kidneys, and the rectum. He then bastes it twice with ghee above.