Roasted Parmesan Creamed Onions

healty meal, low carbs meals, keto meal

Roasted Parmesan Creamed Onions are a delicious and flavorful side dish that pairs perfectly with any main course. The sweet onions are roasted until caramelized, then combined with a creamy Parmesan sauce, creating a dish that’s both comforting and elegant. Let’s dive into the step-by-step process of making this delightful recipe.


  • 4 large sweet onions, peeled and sliced ½ inch thick
  • 3 tbsp extra virgin olive oil
  • 1 cup heavy cream
  • ¼ cup white wine
  • ¼ cup grated Parmesan cheese
  • Salt and pepper, to taste


Step 1: Prepare the Onions

  1. Preheat the Oven:
    • Preheat your oven to 400°F (200°C). Line a baking sheet with parchment paper or a silicone baking mat.
  2. Slice the Onions:
    • Peel the onions and slice them into ½-inch thick rings. Separate the rings and place them on the prepared baking sheet.
  3. Drizzle with Olive Oil:
    • Drizzle the onions with extra virgin olive oil, ensuring they are evenly coated. Season with salt and pepper to taste.

Step 2: Roast the Onions

  1. Roast the Onions:
    • Place the baking sheet in the preheated oven and roast the onions for 25-30 minutes, or until they are golden brown and caramelized. Turn the onions halfway through the cooking time to ensure even roasting.

Step 3: Prepare the Cream Sauce

  1. Heat the Cream and Wine:
    • In a medium saucepan, combine the heavy cream and white wine. Bring the mixture to a simmer over medium heat, stirring occasionally.
  2. Add Parmesan Cheese:
    • Once the cream and wine mixture is simmering, add the grated Parmesan cheese. Stir until the cheese is melted and the sauce is smooth and thickened. Season with salt and pepper to taste.

Step 4: Combine and Bake

  1. Combine Onions and Sauce:
    • Remove the roasted onions from the oven and transfer them to a baking dish. Pour the Parmesan cream sauce over the onions, ensuring they are evenly coated.
  2. Bake:
    • Return the baking dish to the oven and bake for an additional 10-15 minutes, or until the sauce is bubbly and slightly golden on top.

Step 5: Serve

  1. Serve:
    • Remove the dish from the oven and let it cool slightly before serving. Enjoy your Roasted Parmesan Creamed Onions as a flavorful side dish with your favorite main course.

Cook Notes and Variations

Cook Notes:

  • Onions: Sweet onions like Vidalia or Walla Walla work best for this recipe, but you can use any type of onion you prefer.
  • Cheese: Freshly grated Parmesan cheese will give the best flavor and texture.


  • Garlic:
    • Add 2-3 minced garlic cloves to the cream sauce for an extra layer of flavor.
  • Herbs:
    • Stir in fresh or dried herbs such as thyme, rosemary, or parsley to the cream sauce for added aroma and taste.

Frequently Asked Questions (FAQs)

1. Can I make this dish ahead of time?

Yes, you can prepare the roasted onions and the cream sauce separately up to a day in advance. Store them in the refrigerator and combine them just before baking.

2. How do I store leftovers?

Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave until warmed through.

3. Can I use a different type of cheese?

Yes, you can use other cheeses such as Gruyere, Pecorino Romano, or even a combination of cheeses for a different flavor profile.

4. What can I serve with this dish?

Roasted Parmesan Creamed Onions pair well with roasted meats, grilled chicken, fish, or as a side dish for a vegetarian meal.

5. Can I use a non-dairy cream substitute?

Yes, you can use non-dairy cream alternatives such as coconut cream or cashew cream, but it may alter the flavor slightly.

The Delight of Roasted Parmesan Creamed Onions

Roasted Parmesan Creamed Onions are a delicious and elegant side dish that’s perfect for any meal. The combination of sweet, caramelized onions and creamy Parmesan sauce creates a rich and flavorful dish that will impress your guests.

Tips for Success

  1. Use Fresh Ingredients: Fresh onions and high-quality Parmesan cheese will enhance the flavor of the dish.
  2. Roast Evenly: Ensure the onions are evenly sliced and spaced on the baking sheet for even roasting.
  3. Season Well: Be generous with the seasoning to bring out the flavors of the ingredients.

Roasted Parmesan Creamed Onions are a delightful and easy-to-make side dish that will elevate any meal. With their rich and creamy flavor, these onions are sure to become a favorite. Try this recipe for your next dinner and enjoy a comforting and satisfying dish with your family and friends. Happy cooking!

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