Skandapurana 5.176.61

5.176.61

prasādaṃ kuru cāsmākaṃ dīyatāṃ mantrapaṃcakam..
tadeva yena te devī tuṣṭā sā parameśvarī .. 61 ..

“Bestow favor upon us and let the set of five mantras be given [to us], / that very one by which that goddess, the Supreme Mistress, was pleased with you.”