Sheet Pan Chicken Pitas with Tzatziki is a delicious and easy-to-make meal that is perfect for busy weeknights. Chicken breasts are marinated in a flavorful mixture of lemon juice, garlic, and Greek spices, then roasted on a sheet pan along with bell peppers and red onions. The roasted chicken and vegetables are then served in warm pita bread and topped with homemade tzatziki sauce, creating a satisfying and flavorful meal that the whole family will love.