Oh we've been dealing with it for a long time now :)
She does a lot of vegan places when she can, when she can't she tries to pick stuff that's unmistakable.
For the most part it's mexican food and subs where she gets screwed, it can be hard to tell crema from mayo and cheese from mayo
Yeah, US, It's super rare for her to be taken seriously. I don't think we've had a manager come out for an allergy in 8 years now and that was vacation at Disney.
More often, if they try, they'll send the waitstaff back out to complain that she can't have the meal because there are eggs in this or that when she was clear about it being milk, they want to tie it into dairy and for some unknown reason, eggs are considered dairy.