SB 4.13.36
tasmat purusa uttasthau
hema-maly amalambarah
hiranmayena patrena
siddham adaya payasam
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
As soon as the oblation was offered in the fire, a person appeared from the fire altar wearing a golden garland and a white dress. He was carrying a golden pot filled with rice boiled in milk.