ॐ ह्रीं बगलामुखी सर्व दुष्टानाम वाचं मुखम पदम् स्तम्भय। The flickering flame represents divine Power and the dispelling of darkness. Devotees present prasad (sacred meals) to the goddess, trying to find her blessings. The prasad is then distributed Amongst the devotees, considered to carry the divine grace of Baglamukhi https://www.youtube.com/watch?v=IOlRdolK0uM&t=2s