Shavuot is a Jewish holiday that celebrates the giving of the Torah, and it's primarily associated with dairy foods like cheesecake and dairy-based dishes. The tradition of eating dairy foods stems from a passage in the Torah (Exodus 23:19) that mentions not boiling a kid in its mother's milk, which some interpret as a prohibition on consuming meat and dairy together.
However, there are no dietary restrictions specific to Shavuot. You can eat any animal you normally would on other days of the week, including meat, poultry, fish, and seafood.
While Shavuot is often associated with dairy foods, it's important to note that these are just traditions, and there are no religious restrictions against eating meat on Shavuot. You can enjoy your favorite dishes, regardless of whether they are dairy or meat-based.