Directions:
Preheat the bottom heat of oven to 200 degrees C (400 degrees F), and let it warm enough to bake Pizza.
Coat the baking tray with oil to keep the pizza from sticking to the tray.
Grease a medium saucepan with some olive oil and put over medium heat.
Saute onion in the saucepan for 1 minute, until the onion is translucent. Add sweet peppers, and zucchini, and cook for 5 minutes, till the vegetables soften. Then, add mushroom, salt and pepper. Remove the saucepan from the heat, and let it be cold.
Bring out the Shiravaran Italian Pizza (containing 6 doughs) from freezer. take enough dough from the package and return the rest to the freezer. Discard the plastic sheets of the doughs and put them on the baking tray while they are still frozen.
Spread pesto sauce over the doughs and rub smoothly, then sprinkle grated T.S.T cheese (reserve 100 gr) over pizzas.
Pour vegetable mixture over cheese and spread equally. Finally, sprinkle the rest of the cheese over vegetables, and top up with sweet corn and chopped tomatoes.
Put the baking tray in the middle rack of oven, and cook for 10 minutes. Then turn off the oven lower heat. Turn on the upper heat, and cook pizzas for 10 minutes.
When top of pizzas became golden and the cheese on top melted, remove them from the oven, and serve.