This Keto Chicken Alfredo Casserole is a low-carb, high-fat dish that is perfect for a satisfying dinner. It features tender chicken breast, cauliflower florets, and a creamy Alfredo sauce made with heavy cream and Parmesan cheese. Topped with mozzarella cheese and baked until golden and bubbly, this casserole is a delicious and comforting meal that is also keto-friendly.