Chicken Gyro Recipe

Name: Chicken Gyro Recipe
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Cuisine: Mediterranean
Ingredients: ½ cup whole milk Greek yogurt; 4 cloves garlic (grated or minced); 1 lemon (zest and juice); 1 teaspoon kosher salt; 1 teaspoon cumin; 1 teaspoon onion powder; ½ teaspoon sweet paprika; ½ teaspoon turmeric; ½ teaspoon black pepper; ¼ teaspoon cinnamon; ¼ - 1 teaspoon red pepper flake (spice preference); 6 medium boneless skinless chicken thighs (or 3 boneless chicken breasts, halved lengthwise); 3 cups shredded iceberg lettuce; ½ cup red onion (thinly sliced ); 1 beefsteak tomato (sliced); 4 large Pita flatbreads (optional for serving); tzatziki (optional for serving)