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Roasted Parmesan Creamed Onions

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A close-up of caramelized onions baked in a rich, cheesy cream sauce.

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Roasted Parmesan Creamed Onions – This Roasted Parmesan Creamed Onions is a genius creation. The combination of the richness of the cream, the robust flavors of sweet onions, and the delightful tang of Parmesan cheese is simply perfect. Every bite of the tantalizing harmony of creamy, caramelized goodness will leave you craving for more. This dish always steals the show, no doubt why this has become my family’s instant favorite.

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If you are looking for a super easy recipe, our Roasted Parmesan Creamed Onions is an absolute must-have! You can easily throw this together even on the busiest days. And the roasted onions in the luscious cream sauce is one luxurious, truly magical combination that is heaven in every bite.

What makes these Roasted Parmesan Creamed Onions special in every way?

The large sweet onions are carefully sliced and roasted to preserve their natural sweetness while achieving a delightful caramelization that adds depth to the dish. And the luxurious cream sauce made with a combination of heavy cream and white wine creates a velvety, indulgent sauce that enfolds the roasted onions in pure decadence. The star of the show, Grated Parmesan cheese – lends a distinctive savory tang that elevates the flavor of this dish. The best part is how utterly simple this Roasted Parmesan Creamed Onions is to make. Surely an impressive and elegant side dish.

A close-up of caramelized onions baked in a rich, cheesy cream sauce.

What You Need To Make These Roasted Parmesan Creamed Onions Recipe?

Sweet Onions: They bring sweetness to the dish. Really enhance its overall flavor. Sweet onions are also a match, for the creamy sauce due, to their tender texture.

Cream, white wine, and Parmesan cheese: When you combine these ingredients it creates a luxurious cream sauce that truly elevates this recipe into a treat.

Grated Parmesan Cheese: It has n nutty flavor profile that takes this dish to heights. Simply sprinkle the cheese over the onions and cream allowing it to melt into the sauce infusing the dish with a mouthwatering umami flavor.

Warm roasted onion halves garnished with fresh herbs and parmesan cheese.

Steps To Make Roasted Parmesan Creamed Onions:

Step 1: let’s start by preheating your oven to 375°F (190°C) and lining a baking dish, with parchment paper.

Step 2: While the oven is heating up carefully place the sliced onions into the baking dish making sure not to separate the rings.

Step 3: Drizzle some olive oil over the onions and season them with salt and pepper.

Step 4: While the onions are roasting in the oven take a saucepan. Combine cream and white wine. Heat this mixture until the cream starts to simmer around the edges. Remove the saucepan from the heat. Set it aside for now.

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Step 5: Once you’ve roasted the onions transfer them to another baking dish while keeping their rings intact.

Step 6: Slowly pour the cream mixture over the onions. Generously sprinkle Parmesan cheese on top.

Step 7: Cover tightly with foil. Return it to the oven. Bake for 20 minutes then carefully remove the foil. Roast for another 5 minutes. Keep an eye, on them as they turn brown and caramelize.

Step 8: Serve your Roasted Parmesan Creamed Onions immediately. Savor their flavors!

Tip:

To ensure even cooking and caramelization, try to select onions that are similar in size. Also, when arranging the onion slices in the baking dish, make sure the slices are all laid out in one layer rather than stacked on top of each other. This will allow each piece to roast evenly and absorb the cream mixture thoroughly. As a result, every bite will be equally delicious!

Golden-brown roasted onions topped with a creamy parmesan sauce on a rustic plate.

Frequently Asked Questions:

Can I use red onions instead of sweet onions?

Although red onions can be used, it’s recommended to use onions because their natural sweetness enhances the cream and cheese flavors wonderfully.

Can I replace white wine with something non-alcoholic?

Certainly! You can use a combination of white grape juice and a small amount of white wine vinegar or lemon juice, as a alcoholic alternative.

Can I make this dish ahead?

Absolutely! You can make this dish a day in advance. Just reheat it in the oven before serving.

A serving dish filled with creamy, cheesy roasted onions, ready to serve.

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Planning to try this recipe soon? Pin it for a quick find later!

Pin it now
Golden-brown roasted onions topped with a creamy parmesan sauce on a rustic plate.

Roasted Parmesan Creamed Onions

Prep Time 15 minutes
Cook Time 20 minutes
I was surprised at how this dish turned out. I know I am into something amazing, but never thought I would be creating a heavenly indulgence! To serve, pair this with any kind of meat or alongside other greens or a salad.
4 Servings

Ingredients

  • 4 large sweet onions peeled and cut into ½ inch slices
  • 3 tablespoons of high-quality extra virgin olive oil
  • 1 cup of heavy cream
  • ¼ cup of dry white wine
  • ¼ cup of freshly grated Parmesan cheese
  • Salt and freshly ground black pepper according to taste

Instructions
 

  1. Alright lets get cooking! Start by preheating your oven to 375°F. Take a parchment lined baking dish. Arrange your sliced onions, in an orderly manner like a well organized army.
  2. Now give those onions a bath of olive oil. Sprinkle them with some salt and pepper for that extra zing. Pop them into the oven. Let the magic begin.
  3. While the onions are roasting to perfection it's time for your cream and white wine to come in a saucepan. Heat them up gently until they start simmering
  4. Once the onions have had their time in the oven carefully transfer them (keeping their organized formation intact) to another baking dish. Pour your creamy sauce over them generously. Top it off with a sprinkle of Parmesan cheese.
  5. Cover the baking dish, with foil. Put it back into the embrace of the oven. After 20 minutes remove the foil for a 5 minutes of roasting.
  6. Now comes the exciting part. Take out your masterpiece! You'll be greeted by browned caramelized onions swimming in a creamy sauce. Your Roasted Parmesan Creamed Onions are now ready to be enjoyed. Bon appétit!

Notes

Our recipe for Roasted Parmesan Creamed Onions is actually gluten free. None of the ingredients used, like onions, olive oil, heavy cream, white wine, Parmesan cheese, salt and pepper contain any gluten.
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