Sheet Pan Greek Nachos

• 3 tablespoons olive oil divided
• 8 ounces boneless skinless chicken breasts
• Kosher salt and freshly ground black pepper to taste
• 8 whole wheat pita pockets cut into wedges
• 1 cup diced English cucumber
• ½ cup sliced kalamata black olives
• ½ cup jarred roasted red peppers drained and chopped
• ½ cup chopped red onion
• ¼ cup crumbled Feta cheese
• 2 tablespoons chopped fresh dill
• 2 tablespoons chopped fresh parsley leaves

For the tzatziki sauce

• 1 cup plain greek yogurt
• 1 English cucumber finely diced
• 2 cloves garlic pressed
• 1 tablespoon chopped fresh dill
• 1 tablespoon freshly squeezed lemon juice
• 1 teaspoon lemon zest
• 1 teaspoon chopped fresh mint optional
• Kosher salt and freshly ground black pepper to taste
• 2 tablespoons olive oil