Make the chicken marinade: In a large bowl, whisk together olive oil, oregano, garlic powder, onion powder, paprika, cumin (if using), salt, pepper, and 1 tablespoon lemon juice. Mixing the spices into the oil first helps them coat the chicken evenly and prevents dry pockets of seasoning.

Marinate the chicken: Add chicken thigh strips to the bowl and toss until every piece is well coated. Let it marinate for at least 15 minutes at room temperature. For deeper flavor, cover and refrigerate up to 2 hours. If marinating longer than 30 minutes, take the chicken out 10 minutes before cooking so it cooks evenly.

Prep the tzatziki (important for thick sauce): Shred 1 cucumber on a box grater. Place the shredded cucumber in a clean towel or cheesecloth and squeeze firmly until very dry. This step prevents watery tzatziki and keeps your bowls from getting soggy.

Mix tzatziki: In a medium bowl, stir together Greek yogurt, the squeezed shredded cucumber, minced garlic, 1 tablespoon lemon juice, and salt. Taste and adjust salt or lemon. Refrigerate until serving so flavors can meld and the garlic can mellow.

Prep bowl toppings while the pan heats: Halve cherry tomatoes, dice the second cucumber, and thinly slice red onion. Toss tomatoes, diced cucumber, and onion together with a small pinch of salt. If you like extra brightness, add a tiny squeeze of lemon or a drizzle of olive oil (optional).

Cook the chicken (get that gyro-style browning): Heat a skillet or grill pan over medium-high heat. When hot, add chicken in a single layer. Avoid crowding the pan; cook in batches if needed so the chicken browns instead of steaming.

Sear and finish: Cook chicken for 5 to 7 minutes, turning occasionally, until cooked through and lightly charred in spots. Chicken is done when it reaches 165°F in the thickest piece. Transfer to a plate and rest for 3 to 5 minutes so juices stay in the meat.

Warm the pita (or choose a base): Warm pita breads briefly in a dry skillet or microwave so they’re soft and pliable. Cut into wedges. For a higher-protein or meal-prep base, you can also use cooked rice, quinoa, or cauliflower rice.

Assemble bowls: Add pita wedges (or your chosen base) to each bowl. Top with cooked chicken, then spoon on the tomato-cucumber-onion mix. Add a generous dollop of tzatziki and finish with crumbled feta and fresh parsley or dill.

Serve and customize: Serve immediately while chicken is warm. Add extras like olives, roasted red peppers, or a pinch of red pepper flakes for heat. If meal prepping, store chicken, veggies, tzatziki, and pita separately and assemble just before eating for best texture.