श्राद्धकल्पे पितृदेवपूजाक्रमः (Śrāddhakalpa: Order of Pitṛ and Deva Worship)
भङ्यमन्नं तथा पेयं मूलानि च फलानि च / हुत्वाग्नौ च ततः पिण्डान्निर्वपेद्दक्षिणा मुखः
bhaṅyamannaṃ tathā peyaṃ mūlāni ca phalāni ca / hutvāgnau ca tataḥ piṇḍānnirvapeddakṣiṇā mukhaḥ
Having offered into the fire roasted or pounded food, drink, roots, and fruits, then—facing south—one should place the piṇḍa offerings according to the rite.