Summary Since you don't need to preheat this oven you will have pizza cooked and ready to eat before your conventional oven would be preheated. You might have to watch to keep from burning the edges of the pizza, you might want to rotate your pizza once during cooking for the best results. But either way, rotating or not rotating, it will cook up a delicious frozen pizza in record time. Similar to those ovens used in bars/taverns that serve pizza. Not just for pizza either, you this oven for poppers, fries, egg rolls, and more. They will come out crisper than using your conventional oven. Plus, whatever you cook in this unit, it will save you energy, and therefore money. Unit is durable and pleasant to look at with the stainless steel housing.