Sheet Pan Steak Gyros with Feta Tzatziki Sauce

Bahan-bahan (6 porsi)

• 1 1/2 pounds flank or skirt steak
• 8 cloves garlic, chopped
• 1 tablespoon onion powder
• 1 tablespoon sweet/smoked paprika
• 1 tablespoon ground cumin
• 1 tablespoon dried oregano
• 2 teaspoons chili powder
• 1/2 teaspoon cayenne
• 2 tablespoons lemon zest
• salt and chili flakes ((pink Himalayan salt))
• 2 tablespoons extra virgin olive oil
• 1/2 cup feta cheese
• 1 cup Tzatziki sauce
• 6 fresh pitas or naan, warmed
• lettuce, pickled red onion, and pepperoncini (or anything pickled), for serving