Madison, a server in New York City, greets every table by asking about each diner’s allergies. Lately, there have been some close calls. “Sometimes people will tell me they have a shellfish allergy, and I’ll come back, and they won’t ask me any questions,” says Madison, who asked that her last name be withheld to protect her identity. “And they’ll order a fish dish that comes with a broth that is made of shellfish.”
When she tells them a dish contains an allergen, she’s had…
