Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 375°F (190°C) and lightly butter a 9x13-inch casserole dish.
- Peel and slice the sweet onions into ½ inch thick rounds, and arrange them in the casserole dish.
- Season with salt, pepper, and Italian seasoning; add small pats of butter on top.
- Layer shredded mozzarella, provolone, and grated Parmesan cheese over the onions.
- Bake uncovered for 25 to 30 minutes until cheese bubbles and is golden.
- Allow to rest for 5 minutes before serving.
Nutrition
Notes
Consider using different cheeses like sharp cheddar or Gruyère for unique flavors. Adjust seasoning as desired.
