Ingredients
Equipment
Method
Step‑by‑Step Instructions
- Preheat your oven to 375°F (190°C) and butter a 9x13-inch casserole dish.
- Peel and slice the sweet onions into ½-inch thick rings and arrange them in the casserole dish.
- Sprinkle the onions with salt, pepper, and Italian seasoning, then dot with small pats of butter.
- Layer the shredded mozzarella and provolone cheese over the seasoned onions, then sprinkle grated Parmesan on top.
- Bake uncovered for 25-30 minutes until the cheese is bubbling and lightly browned.
- Let the dish rest for 5 minutes before serving.
Nutrition
Notes
For best results, ensure onion slices are uniform in thickness. You can also substitute cheeses for a unique twist or add spicy ingredients if desired.