Anandakanda 1.26.107

1.26.107

<33. haṃsapākayantram>
kharparaṃ sikatāpūrṇaṃ kṛtvā tasyopari nyaset /
aparaṃ kharparaṃ tatra śanairmṛdvagninā pacet //

<33. The Swan-Bake Apparatus (haṃsapākayantra)>
Having filled an earthen pan with sand, one should place upon it / another earthen pan, and cook there slowly with a gentle fire