Why “the dairy holiday”? It’s traditional to eat only dairy (and pareve) foods because Shavuot commemorates the receiving of the Torah from Mount Sinai. The connection? Before we got the Torah, we didn’t know about the laws of shechita (ritual slaughter of animals) and it’s said that the meat they had prepared was not in accordance with the new laws, so they ate a simple dairy meal instead.
Today, to uphold this tradition, we eat milk-ful dishes like blintzes and cheesecake. I know — being Jewish is sooooooo rough.
…Read more at TCJewfolk.com