A specialty of Udi's gluten-free crust is Pizza Hut's gluten-free pizza. The crusts are kosher and Gluten-Free Certified by the Gluten-Free Certification Organization since they are made with gluten-free starches such brown rice flour and sweet potato flour. Pizza without gluten is not available at all Pizza Hut franchise locations. Click the "Gluten-Free" link at the bottom of the website's home page to confirm before placing an order.