In a medium size bowl mix the tomato sauce, tomato paste, Italian seasoning, garlic salt blend and pepper together and set aside. Any leftover pizza sauce can be stored in the refrigerator for about 5 days or frozen in a freezer safe container.
Place one flour tortilla on a large plate or cutting board to assemble. Place one large tablespoon of pizza sauce on the tortilla and spread it around the middle leaving about an inch on the sides.
Sprinkle a handful of cheese over the pizza sauce evenly.
Place desired amount of pepperoni slices on top of the cheese and then sprinkle black olive slices on top.
Sprinkle a little more cheese over the toppings then top with another tortilla.
Spray frying pan generously with cooking spray and heat to medium high.
Place quesadilla pizza in the heated frying pan and watch carefully. If needed turn heat down a little. When the bottom tortilla is golden brown carefully turn the pizza to the other side with a spatula holding the top tortilla with your hand.
Cook the other side until it is golden brown and the cheese inside is melted.
Remove the quesadilla pizza from the pan and cut into fourths with a pizza cutter.
Enjoy! One serving is a whole quesadilla pizza.
You can store any leftovers in tinfoil in the refrigerator for up to 3 days.