In medium bowl, combine ground chicken and ranch mix. Stir until fully mixed.
Using a small bowl, combine the cheese, chopped red pepper, onion, olives, oil and oregano.
Place chicken mixture (about the size of a large meatball) in bottom of press. Use “stuffed side” facing down to create a pocket. Fill with topping mixture. Cover stuffed pocket with a layer of ground chicken mixture. Use press with “pressed” side facing down to seal the patty.
Grill patties, covered, over medium-hot heat for about 6-8 minutes on each side or until a meat thermometer reads 160°. Serve each stuffed burger on a pita with lettuce, sliced tomato, cucumber and Greek yogurt ranch dressing.
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