Midrash for Chullin 195:38
כלום יש שלשים
Now both derived their views from 'the cooked shoulder', as it is written: And the priest shall take the cooked shoulder.<span class="x" onmousemove="('comment',' Num. VI, 19. The shoulder of the ram of the Nazirite's sacrifice was given to the priests to be eaten by priests only, but the rest of the sacrifice was consumed by the owners.');"><sup>14</sup></span>
Sifrei Bamidbar
(Bamidbar 6:19) "And the Cohein shall take the cooked ("beshelah") shoulder of the ram": "beshelah" connotes "whole" (i.e., it is first cooked and then separated from the ram.) R. Shimon b. Yochai says: "beshelah" implies only that it must be cooked together with the ram, (but it is separated before the cooking.) "and one unleavened cake": If it were broken or part were missing, it is invalid. "and one unleavened wafer": If it were broken or part were missing it is invalid. "and he shall place them on the palms of the Nazirite after his shaving of (the head of) his Naziritism.": This is after his shaving, but the bringing of the offerings is not after his shaving.
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