For the Chicken

• 1/2 cup extra-virgin olive oil
• Juice of 1 lemon
• 3 cloves garlic, minced
• 2 tsp kosher salt
• 1 tsp ground cumin
• 1 tsp ground coriander
• 1/2 tsp freshly ground black pepper
• 1/2 tsp ground turmeric
• 1/4 tsp ground cinnamon
• 1/4 tsp cayenne pepper
• 2 lb boneless skinless chicken thighs
• Cooking spray
• 1 large onion, thinly sliced

For the Yogurt Sauce

• 1/2 cup Greek yogurt
• Juice of 1/2 lemon
• 1 Tbsp extra-virgin olive oil
• 2 cloves garlic, smashed and minced
• Kosher salt, to taste
• Pinch of crushed red pepper flakes

For Serving

• Pitas, warmed
• Chopped romaine lettuce
• Cherry tomatoes, halved
• Cucumber, thinly sliced