Love the non-dairy ice cream options. The whip cream is still dairy, so be sure to ask for it without if you’re non-dairy.
They do have an allergy protocol, they mark them with an allergy stick so you know. The simple milkshake worked best for vegan/gluten free (the toppings are a lot to begin with, so you might go that route if you’re not being too indulgent).
You get to keep the glass afterwards (they have a wash station and plastic bags), a cool souvenir!