Turkey Shawarma Pitas

Ingredients

• 1 small cucumber, finely chopped
• 1 cup Greek yogurt
• 2 garlic cloves, grated
• 1 tablespoon chopped fresh or 1/2 tablespoons dried mint
• 2 tablespoons dried dill
• 1 teaspoon salt
• 1/2 teaspoon pepper
• 3 cups chopped turkey
• 2 tablespoons butter
• 1/2 teaspoon cumin
• 1/2 teaspoon turmeric
• 1/2 teaspoon paprika
• 1/2 teaspoon coriander
• 1/2 teaspoon sumac
• 1/2 teaspoon onion powder
• 1/2 teaspoon garlic powder
• 1/2 teaspoon salt
• 1/2 teaspoon pepper
• Split, lightly toasted pita, feta, lettuce, and tomato (optional), for serving