Anandakanda 1.9.159

1.9.159

varākvāthe rasairdinaṃ saṃpuṭake pacet /
kṛte laghupuṭe paścādbhāvyaṃ bhṛṅgavarārasaiḥ //

for a day in triphalā decoction with [herbal] juices; one should bake it in a container / after making a light puṭa; afterwards it is to be levigated with the juices of bhṛṅga and triphalā