Sheet Pan Chicken Pitas with Tzatziki

Chicken:

• 1 lb. boneless skinless chicken breasts, cut into very thin strips
• 3 cloves garlic, grated
• 1 tablespoon olive oil
• 1–2 tablespoons lemon juice
• 1 teaspoon each of cumin, smoked paprika, and kosher salt
• 1/2 teaspoon curry powder
• black pepper to taste

Peppers:

• 2–3 bell peppers, sliced
• olive oil and salt

Tzatziki:

• 3/4 cup full-fat plain Greek yogurt
• 1/2 cup grated cucumber (about one half of a large cucumber)
• 1–2 tablespoons lemon juice
• 1–2 tablespoons olive oil
• 1 small clove garlic, grated
• 1 teaspoon dried dill 
• 1/2 teaspoon kosher salt
• pepper to taste

Other:

• diced cucumbers
• diced red onion
• kalamata olives
• feta cheese
• some kind of flatbread (pita, naan, socca)