Safety 9211. Jennifer Lee's Gourmet Bakery
Cupcakes, whoopie pies, and brownies from a case that is also free of nuts, eggs, and dairy. It is a stall inside Boston Public Market, so pair it with a walk through the hall.
The owner built Jennifer Lee's around her own severe gluten and dairy allergies, so the whole operation is dedicated gluten-free and stacks cleanly for other allergies too. The Public Market around it is a shared hall, but this counter is its own gluten-free world.