Almost all meals are or can be made vegan. The only animal product they have is cheese and milk which most of the time can be substituted for vegan cheese.
Read the menu like a normal human. https://www.chaishoppe.com/menus.html
As mentioned above almost all meals are vegan, you just have to tell them when you are ordering. They do have vegan desserts and small appetizers to munch on while you are waiting for your food.
It's primarily a vegan restaurant. I think the one exception being Pizza.
Thanks! Your answer is awaiting moderation.