Quick Vegan Portobello Pizza | Veggie Primer January 11, 2016 by Bill and Merre Davis 0 Using a large tortilla as a pizza crust makes this Quick Vegan Portobello Pizza recipe a snap to prepare. Use a gluten-free tortilla for gluten-free pizza. Source: Quick Vegan Portobello Pizza | Veggie Primer Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related