Chicken Fajitas

INGREDIENTS

• 3/4 pound boneless, skinless chicken breasts, cut into 2-inch strips
• 1 teaspoon chili powder
• 1/2 teaspoon salt
• Vegetable oil cooking spray
• 4 teaspoons nonfat plain Greek yogurt
• 3 tablespoons chopped fresh cilantro, divided
• 2 radishes, thinly sliced (optional)
• 1/4 teaspoon freshly ground black pepper
• 1 tablespoon fresh lime juice
• 2 teaspoons olive oil, divided
• 1 medium onion, thinly sliced
• 1 lime, cut into wedges (optional)
• 1 medium green bell pepper, thinly sliced
• 1 tablespoon chopped fresh garlic
• 1 medium red bell pepper, thinly sliced
• 4 whole-wheat tortillas (8 inches each)
• 4 tablespoons salsa, divided
• 1/2 teaspoon ground cumin
• 1 can (14.5 ounces) diced tomatoes with green chiles, drained