This French Onion Chicken Rice Bake is a comforting casserole that combines juicy chicken, caramelized onions, and fluffy rice in a creamy, cheesy bake. Topped with melted Gruyère or Swiss cheese and baked until golden, this dish is perfect for weeknight dinners or family gatherings. With flavors inspired by classic French onion soup, it’s a one-pan meal that’s both hearty and easy to make. Serve with a fresh salad or roasted vegetables for a complete dinner. If you love easy casserole recipes, this one is a must-try.