Numbers 6:19-20

19And the priest must take the boiled shoulder of the ram, one cake made without yeast from the basket, and one wafer made without yeast, and put them on the hands of the Nazirite after he has shaved his consecrated head;

20then the priest must wave them as a wave offering before the Lord; it is a holy portion for the priest, together with the breast of the wave offering and the thigh of the raised offering. After this the Nazirite may drink wine.’