As far as the Burgerville in Newberg goes, we always have gluten free French fries! Even the seasonal rosemary fries, waffle fries and what not are. Not every Burgerville may be this way, but Newberg's has a separate fryer for French fries and seasonal items.
I haven't heard when they will be offering them again. Checkout Jensen's gf bakery items at Roths iga in McMinnville or at New Seasons market. Just got my first loaf of bread and it's very good.
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