Shivapurana 7.2.17.13

Śivapurāṇa (complete text) 7.2.17.13

praviśya maṇḍalaṃ śambhoḥ pūjāṃ pūrvavadācaret |
tatrāḍhakāvaraiḥ siddhaṃ tandulaiḥ pāyasaṃ prabhoḥ ||