Śatapatha Brāhmaṇa ("of a hundred paths") 2.1.4.5

2.1.4.5

tasya sarpirāsecanaṃ kṛtvā | sarpirāsicyāśvatthīstisraḥ samidho ghṛtenānvajya samidvatībhirghṛtavatībhirṛgbhirabhyādadhati śamīgarbhametadāpnuma iti vadantaḥ sa yaḥ purastātsaṃvatsaramabhyādadhyātsa ha taṃ kāmamāpnuyāttasmādu tannādriyeta

Having then made a hollow in it (the pap) for clarified butter to be poured in, and having poured clarified butter into it, they anoint three sticks of asvattha wood with this butter and put them on the fire with the (three) Rik-verses containing the words 'kindling-stick (samidh)' and 'butter (ghrita);' arguing that thereby they obtain what has grown out of a samî. It is, however, only by (daily) putting (three kindling-sticks) on the fire for a whole year previous (to the Âdhâna) that one obtains that object: let him therefore take no notice of that (practice).