This is a standard procedure for offering food to the deity that may be used for the various offerings during the day.
The following items should be present:
a small bell on a plate
Preliminary activities
sri-guro paramananda premananda phala-prada
vrajananda-pradananda-sevayam mam niyojaya
My dear spiritual master, who gives the fruit of the highest bliss—the bliss of love of Godhead—please engage me in the blissful service of Sri Krsna, who bestows bliss upon the land of Vraja.
Chant idam asanam and the guru-mula-mantra, and offer your spiritual master a sitting place (asana).
Purifying the bhoga
om astraya phat once for each plate.
Inviting the Lord to Take His Meal
In ascending order invite the deities to take Their meal. While doing this chant:
idam asanam and the mula-mantra for each deity.
etat padyam and the guru-mula-mantra
idam acamaniyam and the guru-mula-mantra
Offering the Bhoga
idam naivedyam and the deity mula-mantra;
idam paniyam and the deity mula-mantra.
nama om vishnu-padaya krishna-preshthaya bhu-tale
srimate [your spiritual master’s name] iti namine
I offer my respectful obeisances unto [your spiritual master’s name], who is very dear to Lord Krishna, having taken shelter at His lotus feet.
nama om vishnu-padaya krishna-preshthaya bhu-tale
srimate bhaktivedanta-svamin iti namine
I offer my respectful obeisances unto His Divine Grace A. C. Bhaktivedanta Swami Prabhupada, who is very dear to Lord Krishna, having taken shelter at His lotus feet.
namas te sarasvate deve gaura-vani-pracarine
nirvisesha-sunyavadi-pascatya-desa-tarine
Our respectful obeisances are unto you, O spiritual master, servant of Sarasvati Gosvami. You are kindly preaching the message of Lord Caitanyadeva and delivering the Western countries, which are filled with impersonalism and voidism.
namo maha-vadanyaya krishna-prema-pradaya te
krishnaya krishna-caitanya-namne gaura-tvishe namah
O most munificent incarnation! You are Krishna Himself appearing as Sri Krishna Caitanya Mahaprabhu. You have assumed the golden color of Srimati Radharani, and You are widely distributing pure love of Krishna. We offer our respectful obeisances unto You.
namo brahmanya-devaya go-brahmana-hitaya ca
jagad-dhitaya krishnaya govindaya namo namah
I offer my obeisances again and again to Lord Krishna, who is always worshiped by qualified brahmanas and is very dear to them. He is always concerned with the welfare of the cows, the brahmanas, and the whole universe, and He gives pleasure to the cows, land, and senses.
After the Lord’s meal
idam asanam and the guru-mula-mantra.