Grilled Chicken Gyros – – Greek-Spiced Chicken: chicken (cooked, cut to bite-sized pieces), olive oil, lemon juice, oregano, garlic powder, onion powder, Gyros: flatbread (or pita), chicken (Greek-spiced ), tomato (sliced into wedges), iceberg lettuce, red onion (thinly sliced), potato (French fried, cooked and golden brown), Tzatziki (see recipe index), In a mixing bowl, combine…