Chicken and Brussels Sprout Casserole is a delicious and nutritious one-pot meal. This casserole combines tender chicken, roasted Brussels sprouts, and a creamy sauce made with chicken broth and Greek yogurt. The Brussels sprouts add a nutty flavor and a pop of green color to the dish. This casserole is easy to make and perfect for a weeknight dinner. Serve it with a side of crusty bread or a green salad for a complete meal.