Anandakanda 2.7.77

2.7.77

kṣiptvāranālaiḥ saṃmardya gharme sthālyāṃ puṭe pacet /
evaṃ daśadinaṃ kuryātpunaḥ pañcāmṛtaiḥ pacet //

and ground it with sour fermented gruel, one should cook it in a pot in the sun and in an incineration pit. / One should do this for ten days; then one should cook it with the five nectars.