Step 1

Preheat oven to 375º F.

Step 2

Spread onion rings out in a 9x13-inch baking dish, keeping rings and layers intact, then drizzle with olive oil and season generously with salt and pepper.

Step 3

Place baking dish in oven and roast for 15 minutes, or until softened.

Step 4

Remove onions from oven and raise temperature to 450º F.

Step 5

Combine heavy cream, wine, butter, garlic powder and cayenne in a medium saucepan over medium heat and cook until butter is melted and bubbles form on the outside edge of cream.

Step 6

Remove mixture from heat, then pour over pre-roasted onions, sprinkling parmesan cheese over all the onions.

Step 7

Top baking dish with aluminum foil and bake for another 20 minutes. Remove foil and cook for another 5-10 minutes, or until onions are caramelized and cheese is golden brown.

Step 8

Remove dish from oven and serve hot. Enjoy!