Anandakanda 1.23.121

1.23.121

mardayet tridinaṃ sarvaṃ golakaṃ garbhayantrake /
nikṣipya tridinaṃ pācyaṃ tuṣāgnau vā sureśvari //

One should grind everything for three days, place the ball into a garbha apparatus,
and cook it for three days in a chaff fire, O Goddess of the gods,