Anandakanda 1.10.34

1.10.34

piṣṭīkṛtaṃ ca jambīre kṣiptvā dolāgataṃ pacet /
punarādāya tāṃ piṣṭiṃ siddhacūrṇena lepayet //

Turning it into a paste, placing it inside a lime, one should cook it suspended in a swing apparatus.
Taking out that paste again, one should coat it with the perfected powder.