Tarragon Chicken Casserole is a comforting and flavorful dish that combines tender chicken, aromatic tarragon, and a creamy sauce. This casserole is perfect for a cozy family dinner or a special occasion. The tarragon adds a unique and slightly sweet flavor to the dish, while the creamy sauce keeps the chicken moist and delicious. Serve this casserole with rice or mashed potatoes for a complete and satisfying meal.