Rasarnava 12.296

12.296

kulatthāṣṭaguṇaṃ vāri pacedaṣṭāvaśeṣitam
caturguṇena tenājyaṃ pācayeddhṛtaśeṣitam //

One should boil eight times as much water with horsegram until an eighth remains; / with four times that amount, one should boil clarified butter until only the ghee remains.