They have a second mixer that only normally is used for people with allergies so gluten free can be done just be sure to tell them no cookie on top if it comes with one. As far as Gwen's comment on cross contamination im pretty confused on that one. That's a term regularly used for meats or raw product. Yes things can get messy at the shake station but each topping has its own spoon
I don't know. I couldn't get a correct order for a hamburger.
They do not wash their mixers in between shakes they still things all over the place cross-contamination is horrible do not trust the shakes to be gluten free!
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