The Compendium of Bheḷa 6.5.34

6.5.34

peṣyairardhapalīnais tu ghṛtaprasthaṃ vipācayet | snehatulyaṃ kaṣāyaṃ tu kṣīraṃ taddviguṇaṃ bhavet ||

With the ingredients to be ground in half-pala amounts, one should cook a prastha of ghee; / the decoction should be equal to the unctuous substance, and milk should be twice that amount.