Preheat oven to 205°c.
Place pita bread rounds on a baking sheet.
Bake for 5 minutes.
Meanwhile, coat an unheated small skillet with nonstick cooking spray.
Preheat over medium heat.
Add the vegetables, cook and stir until crisp-tender.
Spread pizza sauce on pita bread rounds, sprinkle with cooked vegetables and cheese.
Bake for 8 to 10 minutes or until light brown.
Serve warm.
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