This Greek chicken sheet-pan meal is a delicious and easy dinner option. Tender chicken thighs are marinated in a flavorful blend of Greek spices, then roasted alongside colorful bell peppers, red onions, and cherry tomatoes. The highlight of this dish is the creamy garlic sauce, made with Greek yogurt, lemon juice, and garlic. Serve this flavorful meal with warm pita bread and a side of tzatziki sauce for a complete Greek-inspired feast.