This Creamy Chicken and Spinach Casserole recipe combines tender chicken, fresh spinach, and a rich, cheesy cream sauce for a comforting meal. With simple ingredients like cream cheese, mozzarella, and garlic, it’s an easy-to-make casserole that’s perfect for busy weeknights or family dinners. The casserole is baked to bubbly perfection and pairs well with rice, pasta, or bread.