Ingredients:
2-3 large sweet onions (like Vidalia or any sweet onion)
1 cup of shredded mozzarella cheese
1 cup of shredded cheddar cheese
1 stick (½ cup) of butter
1 cup of grated Parmesan cheese
1 teaspoon of garlic powder
1 teaspoon of black pepper
½ teaspoon of salt
½ teaspoon of dried thyme (optional)
¼ cup of fresh parsley, chopped (for garnish)
2 tablespoons of breadcrumbs (optional, for extra crunch)