A comforting classic featuring sweet onions, creamy cheeses, and a crunchy topping, perfect for family gatherings or weeknight dinners.
For extra flavor, consider adding proteins like sausage or herbs like thyme. Store leftovers in the fridge for 3–5 days.
Keywords: Southern, casserole, onions, comfort food, baked dish
Find it online: https://mapleladle.com/southern-sweet-onion-casserole/