| Ingredient | Quantity |
|---|---|
| Pita breads or flatbreads | 4-6 |
| Chopped tomatoes | 1 cup |
| Sliced red onion | 1/2 cup |
| Shredded lettuce | 1 cup |
| Crumbled feta cheese (optional) | 1/2 cup |
Prepare the chicken marinade: Whisk together all marinade ingredients in a large bowl. Add chicken and coat well. Refrigerate for at least 1 hour, preferably 2-4 hours.
Make the tzatziki sauce: Combine all tzatziki ingredients in a medium bowl. Mix well and refrigerate.
Grill the chicken: Preheat grill or grill pan. Grill chicken for 5-7 minutes per side, or until internal temperature reaches 165°F. Let rest before slicing.
Assemble the gyros: Warm pita bread on grill or in skillet. Spread tzatziki sauce on pita. Add grilled chicken, tomatoes, red onion, lettuce, and feta cheese (if using).
Serve: Fold pita bread around fillings and serve immediately.
