Active pizza tray for all appliances with microwave and fan-assisted functionality. It has a heat-storing active coating for crispy pizza bases. It preheats the pizza tray using microwave then bakes by using the combi function: this way deep-frozen pizzas or freshly made bases will become really crispy! To heat up the pizza tray: 1. Place CrispyWave in the microwave for 2 minutes (with maximum power) 2. Place the Pizza at the pre-heated CrispyWave 3. Bake the Pizza with the combination of microwave and convection function