On Tortilla place sliced cheese first then your marinara sauce (this keeps the tortilla crisp. Then place the toppings of your choice, in any order you wish, next top with shredded cheeses of your choice. Bake at 400 degrees for approximately 7 to 10 mins but watch carefully. To Microwave, cook approx. 45 to 50 seconds on high, then enjoy but be careful the cheese is super hot.