Bhagavatapurana 11.27.37

11.27.37

paristīryātha paryukṣed anvādhāya yathā-vidhi /
prokṣaṇyāsādya dravyāṇi prokṣyāgnau bhāvayeta mām //

37. Having according to rules placed the sacred grass and sprinkled with water all the four sides and having performed a process called Anvadhana, i. e., placing the sacred fuel and other things, and placed to the north of fire, the articles to be offered and sprinkled them with a spoon of water from the consecrated vessel, he should contemplate Me in the fire.