Alfresco Pizza Oven Plus ovens are built to be the most versatile and highest performing gas-fired ovens in the world. Our material, design, and manufacturing process revolves around creating a uniquely high-performing oven that preheats in 15 minutes and can reach extremely high temperatures, allowing you to bake, roast, iron-skillet sear, and of course, cook perfect three-minute Neapolitan pizzas.