Manava Dharmashastra 6.11

6.11

vāsantaśāradair medhyair munyannaiḥ svayam āhṛtaiḥ
puroḍāśāṃś carūṃś caiva vidhivan nirvapet pṛthak //

With pure grains, fit for ascetics, which grow in spring and in autumn, and which he himself has collected, let him severally prepare the sacrificial cakes (purodasa) and the boiled messes (karu), as the law directs.