Skandapurana 16.344.6

16.344.6

stutidaṇḍanamaskāraiḥ pradakṣiṇairaharniśam ..
brāhmaṇānbhojayettatra bhakṣyabhojyaiḥ pṛthagvidhaiḥ ..
ekena bhojitenaiva koṭirbhavati bhojitā .. 6 ..

with praises, prostrations, and circumambulations, day and night; / one should feed brahmins there with different kinds of eatables and foods: / by feeding one alone, ten million are fed.