Hi! We do not offer any vegan options currently. Sorry!
No, there hasn't been a vegan cookie and I've been going for years. They have a list of past flavors on their site and from what I can tell they all have butter/chocolate/milk/eggs. Perhaps if they had a rice Krispy one with vegan marshmallows? Blox Desserts might have something vegan if you're okay with marshmallows.
Thanks! Your answer is awaiting moderation.