If it's Chicago-style deep dish you crave, Via Chicago offers a "gluten-free slice du jour" for $4. Any of its make-your-own pizzas can substitute a gluten-free crust for an additional $2.

The Mississippi Pizza Pub is not a strictly gluten-free environment, but they take their dough prep seriously: According to their web site, they "rescheduled our dough making process to allow our gluten-free dough to be prepared first thing in the morning prior to preparing any wheat containing products." Gluten-free pizzas come in 8-, 12- and 16-inch sizes for a few extra dollars than regular pies. [Photo]

Pizzicato offers any of its pizzas on a gluten-free crust for an additional $1.75 (12-inch) or $2.75 (for the 16-inch pie). More information here. [Photo]

Old Town Pizza's original location is allegedly haunted by a 100-year-old ghost named Nina. That's reason enough to pay a visit, but their house-brewed beer is no slouch either. Options include 10-inch and specialty gluten-free pizzas.[Photo]

[Photo: Yelp]

Sizzle Pie, a hard-rocking New York-style slice spot with several Portland locations, is a favorite among chefs and the post-bar crowd. They're all about equal opportunity, with just as many vegan options as special meat pies.

Baby Doll's gluten-free pizzas start at $12 for a cheese. The lineup of specialty pies is deliciously wide ranging, including one with bacon, dates, and walnuts. [Photo]

At this little NE Portland pizza shop inside the Zipper complex, pizzas come with interesting combinations, like fennel, peach, fresh mozzarella, and prosciutto. A gluten-free crust is available for any 14-inch pizza for an additional $2. [Photo]

Locally owned and sustainably minded Hotlips now has a sixth location, bringing yet another option for solid gluten-free pizza in Portland. The pizzas come in one size: 12 inches, at $2 extra per pie. Photo: EPDX

[Photo: Facebook/Pizzeria Otto]

Any of Vallery Markel's 12-inch pies can be made with a gluten-free crust at no additional charge. [Photo]

Rudy's serves any of its non-traditional pizzas — like its taco pizza or Buffalo chicken-and-blue-cheese versions — on a gluten-free crust for $3 extra (for a 10-inch pie), or a 9-inch crust with herbs for $2 extra. [Photo]

At Sellwood's family-owned, Greek-influenced Opa Pizzeria, gluten-free crust is available in the 12-inch size only, for an extra $2.50. The restaurant also offers the occasional gluten-free dessert. [Photo]